Home / 29,204,932.32-40,315,216.11-18,197,120.71

Finding the Fourth Proportional to 29,204,932.32, 40,315,216.11 and 18,197,120.71

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Solution

The fourth proportional to 29,204,932.32, 40,315,216.11 and 18,197,120.71 is: 25,119,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,204,932.32 : 40,315,216.11 = 18,197,120.71 : x
  2. Step 2: Convert to fraction form
    29,204,932.32/40,315,216.11 = 18,197,120.71/x
  3. Step 3: Cross multiply
    29,204,932.32x = 40,315,216.11 × 18,197,120.71
  4. Step 4: Simplify right side
    29,204,932.32x = 733,620,854,003,406.62
  5. Step 5: Solve for x
    x = 733,620,854,003,406.62/29,204,932.32
  6. Step 6: Final answer
    x = 25,119,758.74

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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.