Home / 13,520,381.66-20,280,572.49-3,285,188.85

Finding the Fourth Proportional to 13,520,381.66, 20,280,572.49 and 3,285,188.85

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Solution

The fourth proportional to 13,520,381.66, 20,280,572.49 and 3,285,188.85 is: 4,927,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,381.66 : 20,280,572.49 = 3,285,188.85 : x
  2. Step 2: Convert to fraction form
    13,520,381.66/20,280,572.49 = 3,285,188.85/x
  3. Step 3: Cross multiply
    13,520,381.66x = 20,280,572.49 × 3,285,188.85
  4. Step 4: Simplify right side
    13,520,381.66x = 66,625,510,615,764.73
  5. Step 5: Solve for x
    x = 66,625,510,615,764.73/13,520,381.66
  6. Step 6: Final answer
    x = 4,927,783.28

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Double scale
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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.