Home / 7,206,539.22-9,945,247.20-3,943,491.48

Finding the Fourth Proportional to 7,206,539.22, 9,945,247.20 and 3,943,491.48

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Solution

The fourth proportional to 7,206,539.22, 9,945,247.20 and 3,943,491.48 is: 5,442,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206,539.22 : 9,945,247.20 = 3,943,491.48 : x
  2. Step 2: Convert to fraction form
    7,206,539.22/9,945,247.20 = 3,943,491.48/x
  3. Step 3: Cross multiply
    7,206,539.22x = 9,945,247.20 × 3,943,491.48
  4. Step 4: Simplify right side
    7,206,539.22x = 39,218,997,599,693.85
  5. Step 5: Solve for x
    x = 39,218,997,599,693.85/7,206,539.22
  6. Step 6: Final answer
    x = 5,442,140.31

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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.