Home / 21,687,137.03-29,926,343.03-12,392,862.71

Finding the Fourth Proportional to 21,687,137.03, 29,926,343.03 and 12,392,862.71

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Solution

The fourth proportional to 21,687,137.03, 29,926,343.03 and 12,392,862.71 is: 17,101,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,687,137.03 : 29,926,343.03 = 12,392,862.71 : x
  2. Step 2: Convert to fraction form
    21,687,137.03/29,926,343.03 = 12,392,862.71/x
  3. Step 3: Cross multiply
    21,687,137.03x = 29,926,343.03 × 12,392,862.71
  4. Step 4: Simplify right side
    21,687,137.03x = 370,873,060,371,559.38
  5. Step 5: Solve for x
    x = 370,873,060,371,559.38/21,687,137.03
  6. Step 6: Final answer
    x = 17,101,061.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.