Home / 7,207,164.25-9,945,887.33-3,943,978.81

Finding the Fourth Proportional to 7,207,164.25, 9,945,887.33 and 3,943,978.81

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Solution

The fourth proportional to 7,207,164.25, 9,945,887.33 and 3,943,978.81 is: 5,442,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,164.25 : 9,945,887.33 = 3,943,978.81 : x
  2. Step 2: Convert to fraction form
    7,207,164.25/9,945,887.33 = 3,943,978.81/x
  3. Step 3: Cross multiply
    7,207,164.25x = 9,945,887.33 × 3,943,978.81
  4. Step 4: Simplify right side
    7,207,164.25x = 39,226,368,856,447.58
  5. Step 5: Solve for x
    x = 39,226,368,856,447.58/7,207,164.25
  6. Step 6: Final answer
    x = 5,442,691.12

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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.