Home / 7,680,116.87-11,520,618.18-2,887,847.66

Finding the Fourth Proportional to 7,680,116.87, 11,520,618.18 and 2,887,847.66

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Solution

The fourth proportional to 7,680,116.87, 11,520,618.18 and 2,887,847.66 is: 4,331,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,116.87 : 11,520,618.18 = 2,887,847.66 : x
  2. Step 2: Convert to fraction form
    7,680,116.87/11,520,618.18 = 2,887,847.66/x
  3. Step 3: Cross multiply
    7,680,116.87x = 11,520,618.18 × 2,887,847.66
  4. Step 4: Simplify right side
    7,680,116.87x = 33,269,790,195,263.36
  5. Step 5: Solve for x
    x = 33,269,790,195,263.36/7,680,116.87
  6. Step 6: Final answer
    x = 4,331,938.01

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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.