Home / 38,419,288.29-57,632,969.49-12,513,606.93

Finding the Fourth Proportional to 38,419,288.29, 57,632,969.49 and 12,513,606.93

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Solution

The fourth proportional to 38,419,288.29, 57,632,969.49 and 12,513,606.93 is: 18,771,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419,288.29 : 57,632,969.49 = 12,513,606.93 : x
  2. Step 2: Convert to fraction form
    38,419,288.29/57,632,969.49 = 12,513,606.93/x
  3. Step 3: Cross multiply
    38,419,288.29x = 57,632,969.49 × 12,513,606.93
  4. Step 4: Simplify right side
    38,419,288.29x = 721,196,326,406,542.62
  5. Step 5: Solve for x
    x = 721,196,326,406,542.62/38,419,288.29
  6. Step 6: Final answer
    x = 18,771,725.31

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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.