Home / 21,192,040.53-31,732,562.43-13,882,504.95

Finding the Fourth Proportional to 21,192,040.53, 31,732,562.43 and 13,882,504.95

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Solution

The fourth proportional to 21,192,040.53, 31,732,562.43 and 13,882,504.95 is: 20,787,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192,040.53 : 31,732,562.43 = 13,882,504.95 : x
  2. Step 2: Convert to fraction form
    21,192,040.53/31,732,562.43 = 13,882,504.95/x
  3. Step 3: Cross multiply
    21,192,040.53x = 31,732,562.43 × 13,882,504.95
  4. Step 4: Simplify right side
    21,192,040.53x = 440,527,455,010,659
  5. Step 5: Solve for x
    x = 440,527,455,010,659/21,192,040.53
  6. Step 6: Final answer
    x = 20,787,401.50

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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.