Home / 10,659,249.20-15,965,254.20-8,769,681.20

Finding the Fourth Proportional to 10,659,249.20, 15,965,254.20 and 8,769,681.20

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Solution

The fourth proportional to 10,659,249.20, 15,965,254.20 and 8,769,681.20 is: 13,135,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659,249.20 : 15,965,254.20 = 8,769,681.20 : x
  2. Step 2: Convert to fraction form
    10,659,249.20/15,965,254.20 = 8,769,681.20/x
  3. Step 3: Cross multiply
    10,659,249.20x = 15,965,254.20 × 8,769,681.20
  4. Step 4: Simplify right side
    10,659,249.20x = 140,010,189,610,961.02
  5. Step 5: Solve for x
    x = 140,010,189,610,961.02/10,659,249.20
  6. Step 6: Final answer
    x = 13,135,089.25

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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.