Home / 9,291,272.80-13,936,909.20-8,693,401.68

Finding the Fourth Proportional to 9,291,272.80, 13,936,909.20 and 8,693,401.68

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Solution

The fourth proportional to 9,291,272.80, 13,936,909.20 and 8,693,401.68 is: 13,040,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,272.80 : 13,936,909.20 = 8,693,401.68 : x
  2. Step 2: Convert to fraction form
    9,291,272.80/13,936,909.20 = 8,693,401.68/x
  3. Step 3: Cross multiply
    9,291,272.80x = 13,936,909.20 × 8,693,401.68
  4. Step 4: Simplify right side
    9,291,272.80x = 121,159,149,853,287.45
  5. Step 5: Solve for x
    x = 121,159,149,853,287.45/9,291,272.80
  6. Step 6: Final answer
    x = 13,040,102.52

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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.