Home / 21,572,915.54-29,770,446.54-11,783,366

Finding the Fourth Proportional to 21,572,915.54, 29,770,446.54 and 11,783,366

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Solution

The fourth proportional to 21,572,915.54, 29,770,446.54 and 11,783,366 is: 16,260,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572,915.54 : 29,770,446.54 = 11,783,366 : x
  2. Step 2: Convert to fraction form
    21,572,915.54/29,770,446.54 = 11,783,366/x
  3. Step 3: Cross multiply
    21,572,915.54x = 29,770,446.54 × 11,783,366
  4. Step 4: Simplify right side
    21,572,915.54x = 350,796,067,564,253.62
  5. Step 5: Solve for x
    x = 350,796,067,564,253.62/21,572,915.54
  6. Step 6: Final answer
    x = 16,260,948.45

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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.