Home / 43,486,891.47-65,230,350.17-12,781,476.27

Finding the Fourth Proportional to 43,486,891.47, 65,230,350.17 and 12,781,476.27

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Solution

The fourth proportional to 43,486,891.47, 65,230,350.17 and 12,781,476.27 is: 19,172,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486,891.47 : 65,230,350.17 = 12,781,476.27 : x
  2. Step 2: Convert to fraction form
    43,486,891.47/65,230,350.17 = 12,781,476.27/x
  3. Step 3: Cross multiply
    43,486,891.47x = 65,230,350.17 × 12,781,476.27
  4. Step 4: Simplify right side
    43,486,891.47x = 833,740,172,717,738
  5. Step 5: Solve for x
    x = 833,740,172,717,738/43,486,891.47
  6. Step 6: Final answer
    x = 19,172,218.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.