Home / 7,086,387.25-9,779,216.43-4,146,769.36

Finding the Fourth Proportional to 7,086,387.25, 9,779,216.43 and 4,146,769.36

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Solution

The fourth proportional to 7,086,387.25, 9,779,216.43 and 4,146,769.36 is: 5,722,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,387.25 : 9,779,216.43 = 4,146,769.36 : x
  2. Step 2: Convert to fraction form
    7,086,387.25/9,779,216.43 = 4,146,769.36/x
  3. Step 3: Cross multiply
    7,086,387.25x = 9,779,216.43 × 4,146,769.36
  4. Step 4: Simplify right side
    7,086,387.25x = 40,552,155,056,732.59
  5. Step 5: Solve for x
    x = 40,552,155,056,732.59/7,086,387.25
  6. Step 6: Final answer
    x = 5,722,542.90

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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.