Home / 22,545,507.88-31,109,493.54-12,621,876.04

Finding the Fourth Proportional to 22,545,507.88, 31,109,493.54 and 12,621,876.04

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Solution

The fourth proportional to 22,545,507.88, 31,109,493.54 and 12,621,876.04 is: 17,416,337.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545,507.88 : 31,109,493.54 = 12,621,876.04 : x
  2. Step 2: Convert to fraction form
    22,545,507.88/31,109,493.54 = 12,621,876.04/x
  3. Step 3: Cross multiply
    22,545,507.88x = 31,109,493.54 × 12,621,876.04
  4. Step 4: Simplify right side
    22,545,507.88x = 392,660,171,129,060.75
  5. Step 5: Solve for x
    x = 392,660,171,129,060.75/22,545,507.88
  6. Step 6: Final answer
    x = 17,416,337.36

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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.