Home / 8,352,065.40-12,528,098.10-5,146,798.20

Finding the Fourth Proportional to 8,352,065.40, 12,528,098.10 and 5,146,798.20

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Solution

The fourth proportional to 8,352,065.40, 12,528,098.10 and 5,146,798.20 is: 7,720,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352,065.40 : 12,528,098.10 = 5,146,798.20 : x
  2. Step 2: Convert to fraction form
    8,352,065.40/12,528,098.10 = 5,146,798.20/x
  3. Step 3: Cross multiply
    8,352,065.40x = 12,528,098.10 × 5,146,798.20
  4. Step 4: Simplify right side
    8,352,065.40x = 64,479,592,750,503.42
  5. Step 5: Solve for x
    x = 64,479,592,750,503.42/8,352,065.40
  6. Step 6: Final answer
    x = 7,720,197.30

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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.