Home / 7,139,877.38-9,853,202.03-3,876,829.64

Finding the Fourth Proportional to 7,139,877.38, 9,853,202.03 and 3,876,829.64

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Solution

The fourth proportional to 7,139,877.38, 9,853,202.03 and 3,876,829.64 is: 5,350,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,877.38 : 9,853,202.03 = 3,876,829.64 : x
  2. Step 2: Convert to fraction form
    7,139,877.38/9,853,202.03 = 3,876,829.64/x
  3. Step 3: Cross multiply
    7,139,877.38x = 9,853,202.03 × 3,876,829.64
  4. Step 4: Simplify right side
    7,139,877.38x = 38,199,185,684,061.03
  5. Step 5: Solve for x
    x = 38,199,185,684,061.03/7,139,877.38
  6. Step 6: Final answer
    x = 5,350,117.89

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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.