Home / 21,033,705.96-31,467,545.28-15,930,838.80

Finding the Fourth Proportional to 21,033,705.96, 31,467,545.28 and 15,930,838.80

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Solution

The fourth proportional to 21,033,705.96, 31,467,545.28 and 15,930,838.80 is: 23,833,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,705.96 : 31,467,545.28 = 15,930,838.80 : x
  2. Step 2: Convert to fraction form
    21,033,705.96/31,467,545.28 = 15,930,838.80/x
  3. Step 3: Cross multiply
    21,033,705.96x = 31,467,545.28 × 15,930,838.80
  4. Step 4: Simplify right side
    21,033,705.96x = 501,304,391,287,380.94
  5. Step 5: Solve for x
    x = 501,304,391,287,380.94/21,033,705.96
  6. Step 6: Final answer
    x = 23,833,384.01

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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.