Home / 7,229,734.11-9,977,134.86-3,966,489.54

Finding the Fourth Proportional to 7,229,734.11, 9,977,134.86 and 3,966,489.54

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Solution

The fourth proportional to 7,229,734.11, 9,977,134.86 and 3,966,489.54 is: 5,473,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229,734.11 : 9,977,134.86 = 3,966,489.54 : x
  2. Step 2: Convert to fraction form
    7,229,734.11/9,977,134.86 = 3,966,489.54/x
  3. Step 3: Cross multiply
    7,229,734.11x = 9,977,134.86 × 3,966,489.54
  4. Step 4: Simplify right side
    7,229,734.11x = 39,574,201,061,359.36
  5. Step 5: Solve for x
    x = 39,574,201,061,359.36/7,229,734.11
  6. Step 6: Final answer
    x = 5,473,811.41

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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.