Home / 15,224,414.53-21,009,669.57-8,255,079.42

Finding the Fourth Proportional to 15,224,414.53, 21,009,669.57 and 8,255,079.42

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Solution

The fourth proportional to 15,224,414.53, 21,009,669.57 and 8,255,079.42 is: 11,391,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224,414.53 : 21,009,669.57 = 8,255,079.42 : x
  2. Step 2: Convert to fraction form
    15,224,414.53/21,009,669.57 = 8,255,079.42/x
  3. Step 3: Cross multiply
    15,224,414.53x = 21,009,669.57 × 8,255,079.42
  4. Step 4: Simplify right side
    15,224,414.53x = 173,436,490,806,891.34
  5. Step 5: Solve for x
    x = 173,436,490,806,891.34/15,224,414.53
  6. Step 6: Final answer
    x = 11,391,997.41

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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.