Home / 20,910,818.22-31,357,593.54-9,080,720.13

Finding the Fourth Proportional to 20,910,818.22, 31,357,593.54 and 9,080,720.13

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Solution

The fourth proportional to 20,910,818.22, 31,357,593.54 and 9,080,720.13 is: 13,617,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,910,818.22 : 31,357,593.54 = 9,080,720.13 : x
  2. Step 2: Convert to fraction form
    20,910,818.22/31,357,593.54 = 9,080,720.13/x
  3. Step 3: Cross multiply
    20,910,818.22x = 31,357,593.54 × 9,080,720.13
  4. Step 4: Simplify right side
    20,910,818.22x = 284,749,530,887,036
  5. Step 5: Solve for x
    x = 284,749,530,887,036/20,910,818.22
  6. Step 6: Final answer
    x = 13,617,330.89

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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.