Home / 9,969,123.40-14,953,685.10-5,434,160.20

Finding the Fourth Proportional to 9,969,123.40, 14,953,685.10 and 5,434,160.20

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Solution

The fourth proportional to 9,969,123.40, 14,953,685.10 and 5,434,160.20 is: 8,151,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969,123.40 : 14,953,685.10 = 5,434,160.20 : x
  2. Step 2: Convert to fraction form
    9,969,123.40/14,953,685.10 = 5,434,160.20/x
  3. Step 3: Cross multiply
    9,969,123.40x = 14,953,685.10 × 5,434,160.20
  4. Step 4: Simplify right side
    9,969,123.40x = 81,260,720,413,753.02
  5. Step 5: Solve for x
    x = 81,260,720,413,753.02/9,969,123.40
  6. Step 6: Final answer
    x = 8,151,240.30

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Double scale
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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.