Home / 21,813,479.54-30,103,948.59-12,023,901.68

Finding the Fourth Proportional to 21,813,479.54, 30,103,948.59 and 12,023,901.68

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Solution

The fourth proportional to 21,813,479.54, 30,103,948.59 and 12,023,901.68 is: 16,593,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813,479.54 : 30,103,948.59 = 12,023,901.68 : x
  2. Step 2: Convert to fraction form
    21,813,479.54/30,103,948.59 = 12,023,901.68/x
  3. Step 3: Cross multiply
    21,813,479.54x = 30,103,948.59 × 12,023,901.68
  4. Step 4: Simplify right side
    21,813,479.54x = 361,966,918,025,934.62
  5. Step 5: Solve for x
    x = 361,966,918,025,934.62/21,813,479.54
  6. Step 6: Final answer
    x = 16,593,726.71

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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.