Home / 22,506,957.38-31,059,196.72-12,717,190.87

Finding the Fourth Proportional to 22,506,957.38, 31,059,196.72 and 12,717,190.87

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Solution

The fourth proportional to 22,506,957.38, 31,059,196.72 and 12,717,190.87 is: 17,549,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506,957.38 : 31,059,196.72 = 12,717,190.87 : x
  2. Step 2: Convert to fraction form
    22,506,957.38/31,059,196.72 = 12,717,190.87/x
  3. Step 3: Cross multiply
    22,506,957.38x = 31,059,196.72 × 12,717,190.87
  4. Step 4: Simplify right side
    22,506,957.38x = 394,985,732,847,677
  5. Step 5: Solve for x
    x = 394,985,732,847,677/22,506,957.38
  6. Step 6: Final answer
    x = 17,549,494.86

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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.