Home / 21,454,019.28-29,607,128.52-11,665,122

Finding the Fourth Proportional to 21,454,019.28, 29,607,128.52 and 11,665,122

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Solution

The fourth proportional to 21,454,019.28, 29,607,128.52 and 11,665,122 is: 16,098,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454,019.28 : 29,607,128.52 = 11,665,122 : x
  2. Step 2: Convert to fraction form
    21,454,019.28/29,607,128.52 = 11,665,122/x
  3. Step 3: Cross multiply
    21,454,019.28x = 29,607,128.52 × 11,665,122
  4. Step 4: Simplify right side
    21,454,019.28x = 345,370,766,255,479.44
  5. Step 5: Solve for x
    x = 345,370,766,255,479.44/21,454,019.28
  6. Step 6: Final answer
    x = 16,098,184.76

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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.