Home / 21,694,295.91-29,938,585.73-11,904,654.47

Finding the Fourth Proportional to 21,694,295.91, 29,938,585.73 and 11,904,654.47

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Solution

The fourth proportional to 21,694,295.91, 29,938,585.73 and 11,904,654.47 is: 16,428,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,295.91 : 29,938,585.73 = 11,904,654.47 : x
  2. Step 2: Convert to fraction form
    21,694,295.91/29,938,585.73 = 11,904,654.47/x
  3. Step 3: Cross multiply
    21,694,295.91x = 29,938,585.73 × 11,904,654.47
  4. Step 4: Simplify right side
    21,694,295.91x = 356,408,518,436,122.75
  5. Step 5: Solve for x
    x = 356,408,518,436,122.75/21,694,295.91
  6. Step 6: Final answer
    x = 16,428,674.15

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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.