Home / 12,550,470.58-17,318,921.77-7,043,331.20

Finding the Fourth Proportional to 12,550,470.58, 17,318,921.77 and 7,043,331.20

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Solution

The fourth proportional to 12,550,470.58, 17,318,921.77 and 7,043,331.20 is: 9,719,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,470.58 : 17,318,921.77 = 7,043,331.20 : x
  2. Step 2: Convert to fraction form
    12,550,470.58/17,318,921.77 = 7,043,331.20/x
  3. Step 3: Cross multiply
    12,550,470.58x = 17,318,921.77 × 7,043,331.20
  4. Step 4: Simplify right side
    12,550,470.58x = 121,982,902,053,000.22
  5. Step 5: Solve for x
    x = 121,982,902,053,000.22/12,550,470.58
  6. Step 6: Final answer
    x = 9,719,388.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.