Home / 15,110,165.12-20,851,419.47-8,234,499.56

Finding the Fourth Proportional to 15,110,165.12, 20,851,419.47 and 8,234,499.56

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Solution

The fourth proportional to 15,110,165.12, 20,851,419.47 and 8,234,499.56 is: 11,363,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,165.12 : 20,851,419.47 = 8,234,499.56 : x
  2. Step 2: Convert to fraction form
    15,110,165.12/20,851,419.47 = 8,234,499.56/x
  3. Step 3: Cross multiply
    15,110,165.12x = 20,851,419.47 × 8,234,499.56
  4. Step 4: Simplify right side
    15,110,165.12x = 171,701,004,305,660.84
  5. Step 5: Solve for x
    x = 171,701,004,305,660.84/15,110,165.12
  6. Step 6: Final answer
    x = 11,363,277.83

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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.