Home / 21,334,805.90-29,441,807.78-11,545,035.74

Finding the Fourth Proportional to 21,334,805.90, 29,441,807.78 and 11,545,035.74

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Solution

The fourth proportional to 21,334,805.90, 29,441,807.78 and 11,545,035.74 is: 15,932,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,805.90 : 29,441,807.78 = 11,545,035.74 : x
  2. Step 2: Convert to fraction form
    21,334,805.90/29,441,807.78 = 11,545,035.74/x
  3. Step 3: Cross multiply
    21,334,805.90x = 29,441,807.78 × 11,545,035.74
  4. Step 4: Simplify right side
    21,334,805.90x = 339,906,722,865,375.81
  5. Step 5: Solve for x
    x = 339,906,722,865,375.81/21,334,805.90
  6. Step 6: Final answer
    x = 15,932,027.90

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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.