Home / 15,945,559.02-22,001,974.11-9,420,250.86

Finding the Fourth Proportional to 15,945,559.02, 22,001,974.11 and 9,420,250.86

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Solution

The fourth proportional to 15,945,559.02, 22,001,974.11 and 9,420,250.86 is: 12,998,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,559.02 : 22,001,974.11 = 9,420,250.86 : x
  2. Step 2: Convert to fraction form
    15,945,559.02/22,001,974.11 = 9,420,250.86/x
  3. Step 3: Cross multiply
    15,945,559.02x = 22,001,974.11 × 9,420,250.86
  4. Step 4: Simplify right side
    15,945,559.02x = 207,264,115,531,425.22
  5. Step 5: Solve for x
    x = 207,264,115,531,425.22/15,945,559.02
  6. Step 6: Final answer
    x = 12,998,234.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.