Home / 39,211,251.09-54,111,227.28-21,569,773.77

Finding the Fourth Proportional to 39,211,251.09, 54,111,227.28 and 21,569,773.77

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Solution

The fourth proportional to 39,211,251.09, 54,111,227.28 and 21,569,773.77 is: 29,766,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,211,251.09 : 54,111,227.28 = 21,569,773.77 : x
  2. Step 2: Convert to fraction form
    39,211,251.09/54,111,227.28 = 21,569,773.77/x
  3. Step 3: Cross multiply
    39,211,251.09x = 54,111,227.28 × 21,569,773.77
  4. Step 4: Simplify right side
    39,211,251.09x = 1,167,166,930,846,652.50
  5. Step 5: Solve for x
    x = 1,167,166,930,846,652.50/39,211,251.09
  6. Step 6: Final answer
    x = 29,766,123.20

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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.