Home / 21,248,956.40-31,869,868.87-5,897,805.62

Finding the Fourth Proportional to 21,248,956.40, 31,869,868.87 and 5,897,805.62

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Solution

The fourth proportional to 21,248,956.40, 31,869,868.87 and 5,897,805.62 is: 8,845,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,956.40 : 31,869,868.87 = 5,897,805.62 : x
  2. Step 2: Convert to fraction form
    21,248,956.40/31,869,868.87 = 5,897,805.62/x
  3. Step 3: Cross multiply
    21,248,956.40x = 31,869,868.87 × 5,897,805.62
  4. Step 4: Simplify right side
    21,248,956.40x = 187,962,291,578,171.97
  5. Step 5: Solve for x
    x = 187,962,291,578,171.97/21,248,956.40
  6. Step 6: Final answer
    x = 8,845,718.73

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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.