Home / 18,725,865.30-28,109,793.15-14,484,834.90

Finding the Fourth Proportional to 18,725,865.30, 28,109,793.15 and 14,484,834.90

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Solution

The fourth proportional to 18,725,865.30, 28,109,793.15 and 14,484,834.90 is: 21,743,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,865.30 : 28,109,793.15 = 14,484,834.90 : x
  2. Step 2: Convert to fraction form
    18,725,865.30/28,109,793.15 = 14,484,834.90/x
  3. Step 3: Cross multiply
    18,725,865.30x = 28,109,793.15 × 14,484,834.90
  4. Step 4: Simplify right side
    18,725,865.30x = 407,165,712,850,900.94
  5. Step 5: Solve for x
    x = 407,165,712,850,900.94/18,725,865.30
  6. Step 6: Final answer
    x = 21,743,492.56

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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.