Home / 10,651,502.80-15,977,254.20-6,825,127.60

Finding the Fourth Proportional to 10,651,502.80, 15,977,254.20 and 6,825,127.60

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Solution

The fourth proportional to 10,651,502.80, 15,977,254.20 and 6,825,127.60 is: 10,237,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,502.80 : 15,977,254.20 = 6,825,127.60 : x
  2. Step 2: Convert to fraction form
    10,651,502.80/15,977,254.20 = 6,825,127.60/x
  3. Step 3: Cross multiply
    10,651,502.80x = 15,977,254.20 × 6,825,127.60
  4. Step 4: Simplify right side
    10,651,502.80x = 109,046,798,612,635.91
  5. Step 5: Solve for x
    x = 109,046,798,612,635.91/10,651,502.80
  6. Step 6: Final answer
    x = 10,237,691.40

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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.