Home / 21,334,711.20-32,002,066.80-15,666,007.20

Finding the Fourth Proportional to 21,334,711.20, 32,002,066.80 and 15,666,007.20

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Solution

The fourth proportional to 21,334,711.20, 32,002,066.80 and 15,666,007.20 is: 23,499,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,711.20 : 32,002,066.80 = 15,666,007.20 : x
  2. Step 2: Convert to fraction form
    21,334,711.20/32,002,066.80 = 15,666,007.20/x
  3. Step 3: Cross multiply
    21,334,711.20x = 32,002,066.80 × 15,666,007.20
  4. Step 4: Simplify right side
    21,334,711.20x = 501,344,608,903,680.94
  5. Step 5: Solve for x
    x = 501,344,608,903,680.94/21,334,711.20
  6. Step 6: Final answer
    x = 23,499,010.80

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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.