Home / 38,419,288.80-57,632,970.24-12,513,607.44

Finding the Fourth Proportional to 38,419,288.80, 57,632,970.24 and 12,513,607.44

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Solution

The fourth proportional to 38,419,288.80, 57,632,970.24 and 12,513,607.44 is: 18,771,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419,288.80 : 57,632,970.24 = 12,513,607.44 : x
  2. Step 2: Convert to fraction form
    38,419,288.80/57,632,970.24 = 12,513,607.44/x
  3. Step 3: Cross multiply
    38,419,288.80x = 57,632,970.24 × 12,513,607.44
  4. Step 4: Simplify right side
    38,419,288.80x = 721,196,365,184,562.62
  5. Step 5: Solve for x
    x = 721,196,365,184,562.62/38,419,288.80
  6. Step 6: Final answer
    x = 18,771,726.07

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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.