Home / 21,404,449.28-29,529,732-12,232,171.52

Finding the Fourth Proportional to 21,404,449.28, 29,529,732 and 12,232,171.52

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Solution

The fourth proportional to 21,404,449.28, 29,529,732 and 12,232,171.52 is: 16,875,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404,449.28 : 29,529,732 = 12,232,171.52 : x
  2. Step 2: Convert to fraction form
    21,404,449.28/29,529,732 = 12,232,171.52/x
  3. Step 3: Cross multiply
    21,404,449.28x = 29,529,732 × 12,232,171.52
  4. Step 4: Simplify right side
    21,404,449.28x = 361,212,746,763,632.62
  5. Step 5: Solve for x
    x = 361,212,746,763,632.62/21,404,449.28
  6. Step 6: Final answer
    x = 16,875,591.71

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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.