Home / 7,140,067.20-9,853,464-3,877,019.52

Finding the Fourth Proportional to 7,140,067.20, 9,853,464 and 3,877,019.52

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Solution

The fourth proportional to 7,140,067.20, 9,853,464 and 3,877,019.52 is: 5,350,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,067.20 : 9,853,464 = 3,877,019.52 : x
  2. Step 2: Convert to fraction form
    7,140,067.20/9,853,464 = 3,877,019.52/x
  3. Step 3: Cross multiply
    7,140,067.20x = 9,853,464 × 3,877,019.52
  4. Step 4: Simplify right side
    7,140,067.20x = 38,202,072,267,617.28
  5. Step 5: Solve for x
    x = 38,202,072,267,617.28/7,140,067.20
  6. Step 6: Final answer
    x = 5,350,379.93

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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.