Home / 7,225,849.48-9,970,755.79-3,961,805.29

Finding the Fourth Proportional to 7,225,849.48, 9,970,755.79 and 3,961,805.29

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Solution

The fourth proportional to 7,225,849.48, 9,970,755.79 and 3,961,805.29 is: 5,466,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225,849.48 : 9,970,755.79 = 3,961,805.29 : x
  2. Step 2: Convert to fraction form
    7,225,849.48/9,970,755.79 = 3,961,805.29/x
  3. Step 3: Cross multiply
    7,225,849.48x = 9,970,755.79 × 3,961,805.29
  4. Step 4: Simplify right side
    7,225,849.48x = 39,502,193,034,120.12
  5. Step 5: Solve for x
    x = 39,502,193,034,120.12/7,225,849.48
  6. Step 6: Final answer
    x = 5,466,788.80

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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.