Home / 13,480,363.90-20,220,545.85-7,496,731.90

Finding the Fourth Proportional to 13,480,363.90, 20,220,545.85 and 7,496,731.90

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Solution

The fourth proportional to 13,480,363.90, 20,220,545.85 and 7,496,731.90 is: 11,245,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,363.90 : 20,220,545.85 = 7,496,731.90 : x
  2. Step 2: Convert to fraction form
    13,480,363.90/20,220,545.85 = 7,496,731.90/x
  3. Step 3: Cross multiply
    13,480,363.90x = 20,220,545.85 × 7,496,731.90
  4. Step 4: Simplify right side
    13,480,363.90x = 151,588,011,109,107.62
  5. Step 5: Solve for x
    x = 151,588,011,109,107.62/13,480,363.90
  6. Step 6: Final answer
    x = 11,245,097.85

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Similar ratio
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1.5x scale

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.