Home / 21,693,607.60-29,937,095.88-11,904,215.62

Finding the Fourth Proportional to 21,693,607.60, 29,937,095.88 and 11,904,215.62

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Solution

The fourth proportional to 21,693,607.60, 29,937,095.88 and 11,904,215.62 is: 16,427,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,607.60 : 29,937,095.88 = 11,904,215.62 : x
  2. Step 2: Convert to fraction form
    21,693,607.60/29,937,095.88 = 11,904,215.62/x
  3. Step 3: Cross multiply
    21,693,607.60x = 29,937,095.88 × 11,904,215.62
  4. Step 4: Simplify right side
    21,693,607.60x = 356,377,644,392,133.62
  5. Step 5: Solve for x
    x = 356,377,644,392,133.62/21,693,607.60
  6. Step 6: Final answer
    x = 16,427,772.23

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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.