Home / 7,381,141.20-11,071,711.80-4,345,390.80

Finding the Fourth Proportional to 7,381,141.20, 11,071,711.80 and 4,345,390.80

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Solution

The fourth proportional to 7,381,141.20, 11,071,711.80 and 4,345,390.80 is: 6,518,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,141.20 : 11,071,711.80 = 4,345,390.80 : x
  2. Step 2: Convert to fraction form
    7,381,141.20/11,071,711.80 = 4,345,390.80/x
  3. Step 3: Cross multiply
    7,381,141.20x = 11,071,711.80 × 4,345,390.80
  4. Step 4: Simplify right side
    7,381,141.20x = 48,110,914,595,971.44
  5. Step 5: Solve for x
    x = 48,110,914,595,971.44/7,381,141.20
  6. Step 6: Final answer
    x = 6,518,086.20

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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.