Home / 7,206,839.46-9,945,438.02-3,943,654.58

Finding the Fourth Proportional to 7,206,839.46, 9,945,438.02 and 3,943,654.58

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Solution

The fourth proportional to 7,206,839.46, 9,945,438.02 and 3,943,654.58 is: 5,442,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206,839.46 : 9,945,438.02 = 3,943,654.58 : x
  2. Step 2: Convert to fraction form
    7,206,839.46/9,945,438.02 = 3,943,654.58/x
  3. Step 3: Cross multiply
    7,206,839.46x = 9,945,438.02 × 3,943,654.58
  4. Step 4: Simplify right side
    7,206,839.46x = 39,221,372,197,679.13
  5. Step 5: Solve for x
    x = 39,221,372,197,679.13/7,206,839.46
  6. Step 6: Final answer
    x = 5,442,243.08

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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.