Home / 12,480,641.66-18,687,320.66-8,151,972.71

Finding the Fourth Proportional to 12,480,641.66, 18,687,320.66 and 8,151,972.71

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Solution

The fourth proportional to 12,480,641.66, 18,687,320.66 and 8,151,972.71 is: 12,205,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,641.66 : 18,687,320.66 = 8,151,972.71 : x
  2. Step 2: Convert to fraction form
    12,480,641.66/18,687,320.66 = 8,151,972.71/x
  3. Step 3: Cross multiply
    12,480,641.66x = 18,687,320.66 × 8,151,972.71
  4. Step 4: Simplify right side
    12,480,641.66x = 152,338,527,970,282.53
  5. Step 5: Solve for x
    x = 152,338,527,970,282.53/12,480,641.66
  6. Step 6: Final answer
    x = 12,205,985.24

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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.