Home / 8,316,057.20-12,474,085.80-5,765,140.40

Finding the Fourth Proportional to 8,316,057.20, 12,474,085.80 and 5,765,140.40

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Solution

The fourth proportional to 8,316,057.20, 12,474,085.80 and 5,765,140.40 is: 8,647,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,057.20 : 12,474,085.80 = 5,765,140.40 : x
  2. Step 2: Convert to fraction form
    8,316,057.20/12,474,085.80 = 5,765,140.40/x
  3. Step 3: Cross multiply
    8,316,057.20x = 12,474,085.80 × 5,765,140.40
  4. Step 4: Simplify right side
    8,316,057.20x = 71,914,855,998,646.33
  5. Step 5: Solve for x
    x = 71,914,855,998,646.33/8,316,057.20
  6. Step 6: Final answer
    x = 8,647,710.60

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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.