Home / 7,538,173.28-11,308,521.12-5,918,876.88

Finding the Fourth Proportional to 7,538,173.28, 11,308,521.12 and 5,918,876.88

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Solution

The fourth proportional to 7,538,173.28, 11,308,521.12 and 5,918,876.88 is: 8,879,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538,173.28 : 11,308,521.12 = 5,918,876.88 : x
  2. Step 2: Convert to fraction form
    7,538,173.28/11,308,521.12 = 5,918,876.88/x
  3. Step 3: Cross multiply
    7,538,173.28x = 11,308,521.12 × 5,918,876.88
  4. Step 4: Simplify right side
    7,538,173.28x = 66,933,744,204,159.70
  5. Step 5: Solve for x
    x = 66,933,744,204,159.70/7,538,173.28
  6. Step 6: Final answer
    x = 8,879,305.60

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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.