Home / 21,813,479.82-30,103,948.94-12,023,901.92

Finding the Fourth Proportional to 21,813,479.82, 30,103,948.94 and 12,023,901.92

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Solution

The fourth proportional to 21,813,479.82, 30,103,948.94 and 12,023,901.92 is: 16,593,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813,479.82 : 30,103,948.94 = 12,023,901.92 : x
  2. Step 2: Convert to fraction form
    21,813,479.82/30,103,948.94 = 12,023,901.92/x
  3. Step 3: Cross multiply
    21,813,479.82x = 30,103,948.94 × 12,023,901.92
  4. Step 4: Simplify right side
    21,813,479.82x = 361,966,929,248,608.69
  5. Step 5: Solve for x
    x = 361,966,929,248,608.69/21,813,479.82
  6. Step 6: Final answer
    x = 16,593,727.01

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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.