Home / 21,306,767.09-29,403,325.90-11,517,211.43

Finding the Fourth Proportional to 21,306,767.09, 29,403,325.90 and 11,517,211.43

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Solution

The fourth proportional to 21,306,767.09, 29,403,325.90 and 11,517,211.43 is: 15,893,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,767.09 : 29,403,325.90 = 11,517,211.43 : x
  2. Step 2: Convert to fraction form
    21,306,767.09/29,403,325.90 = 11,517,211.43/x
  3. Step 3: Cross multiply
    21,306,767.09x = 29,403,325.90 × 11,517,211.43
  4. Step 4: Simplify right side
    21,306,767.09x = 338,644,321,113,137.44
  5. Step 5: Solve for x
    x = 338,644,321,113,137.44/21,306,767.09
  6. Step 6: Final answer
    x = 15,893,744.92

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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.