Home / 15,918,777.43-21,968,691.24-8,951,647.43

Finding the Fourth Proportional to 15,918,777.43, 21,968,691.24 and 8,951,647.43

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Solution

The fourth proportional to 15,918,777.43, 21,968,691.24 and 8,951,647.43 is: 12,353,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918,777.43 : 21,968,691.24 = 8,951,647.43 : x
  2. Step 2: Convert to fraction form
    15,918,777.43/21,968,691.24 = 8,951,647.43/x
  3. Step 3: Cross multiply
    15,918,777.43x = 21,968,691.24 × 8,951,647.43
  4. Step 4: Simplify right side
    15,918,777.43x = 196,655,978,482,952.47
  5. Step 5: Solve for x
    x = 196,655,978,482,952.47/15,918,777.43
  6. Step 6: Final answer
    x = 12,353,711.16

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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.