Home / 10,366,972.20-15,550,458.30-9,275,221.80

Finding the Fourth Proportional to 10,366,972.20, 15,550,458.30 and 9,275,221.80

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Solution

The fourth proportional to 10,366,972.20, 15,550,458.30 and 9,275,221.80 is: 13,912,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,972.20 : 15,550,458.30 = 9,275,221.80 : x
  2. Step 2: Convert to fraction form
    10,366,972.20/15,550,458.30 = 9,275,221.80/x
  3. Step 3: Cross multiply
    10,366,972.20x = 15,550,458.30 × 9,275,221.80
  4. Step 4: Simplify right side
    10,366,972.20x = 144,233,949,824,150.97
  5. Step 5: Solve for x
    x = 144,233,949,824,150.97/10,366,972.20
  6. Step 6: Final answer
    x = 13,912,832.70

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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.