Home / 6,143,123.40-9,214,685.10-4,442,512.20

Finding the Fourth Proportional to 6,143,123.40, 9,214,685.10 and 4,442,512.20

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Solution

The fourth proportional to 6,143,123.40, 9,214,685.10 and 4,442,512.20 is: 6,663,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,123.40 : 9,214,685.10 = 4,442,512.20 : x
  2. Step 2: Convert to fraction form
    6,143,123.40/9,214,685.10 = 4,442,512.20/x
  3. Step 3: Cross multiply
    6,143,123.40x = 9,214,685.10 × 4,442,512.20
  4. Step 4: Simplify right side
    6,143,123.40x = 40,936,350,975,908.22
  5. Step 5: Solve for x
    x = 40,936,350,975,908.22/6,143,123.40
  6. Step 6: Final answer
    x = 6,663,768.30

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Half scale
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Double scale
Find fourth proportional to 6,143,124.40, 9,214,686.60 and 4,442,513.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.