Home / 9,659,428.80-14,489,143.20-8,651,659.20

Finding the Fourth Proportional to 9,659,428.80, 14,489,143.20 and 8,651,659.20

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Solution

The fourth proportional to 9,659,428.80, 14,489,143.20 and 8,651,659.20 is: 12,977,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,428.80 : 14,489,143.20 = 8,651,659.20 : x
  2. Step 2: Convert to fraction form
    9,659,428.80/14,489,143.20 = 8,651,659.20/x
  3. Step 3: Cross multiply
    9,659,428.80x = 14,489,143.20 × 8,651,659.20
  4. Step 4: Simplify right side
    9,659,428.80x = 125,355,129,066,397.42
  5. Step 5: Solve for x
    x = 125,355,129,066,397.42/9,659,428.80
  6. Step 6: Final answer
    x = 12,977,488.80

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Double scale
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Similar ratio
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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.