Home / 38,419,288.54-57,632,969.87-12,513,607.18

Finding the Fourth Proportional to 38,419,288.54, 57,632,969.87 and 12,513,607.18

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Solution

The fourth proportional to 38,419,288.54, 57,632,969.87 and 12,513,607.18 is: 18,771,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419,288.54 : 57,632,969.87 = 12,513,607.18 : x
  2. Step 2: Convert to fraction form
    38,419,288.54/57,632,969.87 = 12,513,607.18/x
  3. Step 3: Cross multiply
    38,419,288.54x = 57,632,969.87 × 12,513,607.18
  4. Step 4: Simplify right side
    38,419,288.54x = 721,196,345,507,387.62
  5. Step 5: Solve for x
    x = 721,196,345,507,387.62/38,419,288.54
  6. Step 6: Final answer
    x = 18,771,725.69

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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.