Home / 18,103,677.20-27,187,008.60-9,600,621.20

Finding the Fourth Proportional to 18,103,677.20, 27,187,008.60 and 9,600,621.20

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Solution

The fourth proportional to 18,103,677.20, 27,187,008.60 and 9,600,621.20 is: 14,417,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,677.20 : 27,187,008.60 = 9,600,621.20 : x
  2. Step 2: Convert to fraction form
    18,103,677.20/27,187,008.60 = 9,600,621.20/x
  3. Step 3: Cross multiply
    18,103,677.20x = 27,187,008.60 × 9,600,621.20
  4. Step 4: Simplify right side
    18,103,677.20x = 261,012,171,129,742.31
  5. Step 5: Solve for x
    x = 261,012,171,129,742.31/18,103,677.20
  6. Step 6: Final answer
    x = 14,417,632.85

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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.