Home / 21,707,001.12-32,561,233.12-10,918,420

Finding the Fourth Proportional to 21,707,001.12, 32,561,233.12 and 10,918,420

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Solution

The fourth proportional to 21,707,001.12, 32,561,233.12 and 10,918,420 is: 16,377,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707,001.12 : 32,561,233.12 = 10,918,420 : x
  2. Step 2: Convert to fraction form
    21,707,001.12/32,561,233.12 = 10,918,420/x
  3. Step 3: Cross multiply
    21,707,001.12x = 32,561,233.12 × 10,918,420
  4. Step 4: Simplify right side
    21,707,001.12x = 355,517,218,922,070.44
  5. Step 5: Solve for x
    x = 355,517,218,922,070.44/21,707,001.12
  6. Step 6: Final answer
    x = 16,377,997.91

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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.