Home / 55,338,447.30-82,952,118.81-18,921,932.49

Finding the Fourth Proportional to 55,338,447.30, 82,952,118.81 and 18,921,932.49

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Solution

The fourth proportional to 55,338,447.30, 82,952,118.81 and 18,921,932.49 is: 28,363,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,338,447.30 : 82,952,118.81 = 18,921,932.49 : x
  2. Step 2: Convert to fraction form
    55,338,447.30/82,952,118.81 = 18,921,932.49/x
  3. Step 3: Cross multiply
    55,338,447.30x = 82,952,118.81 × 18,921,932.49
  4. Step 4: Simplify right side
    55,338,447.30x = 1,569,614,392,025,279
  5. Step 5: Solve for x
    x = 1,569,614,392,025,279/55,338,447.30
  6. Step 6: Final answer
    x = 28,363,903.73

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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.