Home / 7,207,977.30-9,947,012.54-3,944,790.11

Finding the Fourth Proportional to 7,207,977.30, 9,947,012.54 and 3,944,790.11

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Solution

The fourth proportional to 7,207,977.30, 9,947,012.54 and 3,944,790.11 is: 5,443,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,977.30 : 9,947,012.54 = 3,944,790.11 : x
  2. Step 2: Convert to fraction form
    7,207,977.30/9,947,012.54 = 3,944,790.11/x
  3. Step 3: Cross multiply
    7,207,977.30x = 9,947,012.54 × 3,944,790.11
  4. Step 4: Simplify right side
    7,207,977.30x = 39,238,876,622,378.97
  5. Step 5: Solve for x
    x = 39,238,876,622,378.97/7,207,977.30
  6. Step 6: Final answer
    x = 5,443,812.46

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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.