Home / 12,655,965.67-17,465,590.61-7,149,572.91

Finding the Fourth Proportional to 12,655,965.67, 17,465,590.61 and 7,149,572.91

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Solution

The fourth proportional to 12,655,965.67, 17,465,590.61 and 7,149,572.91 is: 9,866,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,965.67 : 17,465,590.61 = 7,149,572.91 : x
  2. Step 2: Convert to fraction form
    12,655,965.67/17,465,590.61 = 7,149,572.91/x
  3. Step 3: Cross multiply
    12,655,965.67x = 17,465,590.61 × 7,149,572.91
  4. Step 4: Simplify right side
    12,655,965.67x = 124,871,513,473,469.42
  5. Step 5: Solve for x
    x = 124,871,513,473,469.42/12,655,965.67
  6. Step 6: Final answer
    x = 9,866,612.85

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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.