Home / 7,381,976.80-11,074,520.40-3,119,951.20

Finding the Fourth Proportional to 7,381,976.80, 11,074,520.40 and 3,119,951.20

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Solution

The fourth proportional to 7,381,976.80, 11,074,520.40 and 3,119,951.20 is: 4,680,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,976.80 : 11,074,520.40 = 3,119,951.20 : x
  2. Step 2: Convert to fraction form
    7,381,976.80/11,074,520.40 = 3,119,951.20/x
  3. Step 3: Cross multiply
    7,381,976.80x = 11,074,520.40 × 3,119,951.20
  4. Step 4: Simplify right side
    7,381,976.80x = 34,551,963,211,404.48
  5. Step 5: Solve for x
    x = 34,551,963,211,404.48/7,381,976.80
  6. Step 6: Final answer
    x = 4,680,584.10

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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.