Home / 10,654,182.88-15,985,298.40-6,397,308.88

Finding the Fourth Proportional to 10,654,182.88, 15,985,298.40 and 6,397,308.88

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Solution

The fourth proportional to 10,654,182.88, 15,985,298.40 and 6,397,308.88 is: 9,598,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654,182.88 : 15,985,298.40 = 6,397,308.88 : x
  2. Step 2: Convert to fraction form
    10,654,182.88/15,985,298.40 = 6,397,308.88/x
  3. Step 3: Cross multiply
    10,654,182.88x = 15,985,298.40 × 6,397,308.88
  4. Step 4: Simplify right side
    10,654,182.88x = 102,262,891,403,769.80
  5. Step 5: Solve for x
    x = 102,262,891,403,769.80/10,654,182.88
  6. Step 6: Final answer
    x = 9,598,379.58

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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.