Home / 15,499,125.12-21,391,753.14-10,262,902.80

Finding the Fourth Proportional to 15,499,125.12, 21,391,753.14 and 10,262,902.80

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Solution

The fourth proportional to 15,499,125.12, 21,391,753.14 and 10,262,902.80 is: 14,164,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499,125.12 : 21,391,753.14 = 10,262,902.80 : x
  2. Step 2: Convert to fraction form
    15,499,125.12/21,391,753.14 = 10,262,902.80/x
  3. Step 3: Cross multiply
    15,499,125.12x = 21,391,753.14 × 10,262,902.80
  4. Step 4: Simplify right side
    15,499,125.12x = 219,541,483,197,414.81
  5. Step 5: Solve for x
    x = 219,541,483,197,414.81/15,499,125.12
  6. Step 6: Final answer
    x = 14,164,766.17

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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.