Home / 15,845,447.16-21,857,780.61-9,229,255.83

Finding the Fourth Proportional to 15,845,447.16, 21,857,780.61 and 9,229,255.83

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Solution

The fourth proportional to 15,845,447.16, 21,857,780.61 and 9,229,255.83 is: 12,731,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845,447.16 : 21,857,780.61 = 9,229,255.83 : x
  2. Step 2: Convert to fraction form
    15,845,447.16/21,857,780.61 = 9,229,255.83/x
  3. Step 3: Cross multiply
    15,845,447.16x = 21,857,780.61 × 9,229,255.83
  4. Step 4: Simplify right side
    15,845,447.16x = 201,731,049,125,703.44
  5. Step 5: Solve for x
    x = 201,731,049,125,703.44/15,845,447.16
  6. Step 6: Final answer
    x = 12,731,167.96

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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.