Home / 39,123,467.72-58,691,968.98-13,215,957.68

Finding the Fourth Proportional to 39,123,467.72, 58,691,968.98 and 13,215,957.68

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Solution

The fourth proportional to 39,123,467.72, 58,691,968.98 and 13,215,957.68 is: 19,826,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,123,467.72 : 58,691,968.98 = 13,215,957.68 : x
  2. Step 2: Convert to fraction form
    39,123,467.72/58,691,968.98 = 13,215,957.68/x
  3. Step 3: Cross multiply
    39,123,467.72x = 58,691,968.98 × 13,215,957.68
  4. Step 4: Simplify right side
    39,123,467.72x = 775,670,578,195,552.75
  5. Step 5: Solve for x
    x = 775,670,578,195,552.75/39,123,467.72
  6. Step 6: Final answer
    x = 19,826,222.56

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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.