Home / 21,220,517.34-31,827,578.03-13,597,432.73

Finding the Fourth Proportional to 21,220,517.34, 31,827,578.03 and 13,597,432.73

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Solution

The fourth proportional to 21,220,517.34, 31,827,578.03 and 13,597,432.73 is: 20,394,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,517.34 : 31,827,578.03 = 13,597,432.73 : x
  2. Step 2: Convert to fraction form
    21,220,517.34/31,827,578.03 = 13,597,432.73/x
  3. Step 3: Cross multiply
    21,220,517.34x = 31,827,578.03 × 13,597,432.73
  4. Step 4: Simplify right side
    21,220,517.34x = 432,773,351,233,332.69
  5. Step 5: Solve for x
    x = 432,773,351,233,332.69/21,220,517.34
  6. Step 6: Final answer
    x = 20,394,099.93

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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.