Home / 7,167,995.45-9,891,829.36-3,948,731.45

Finding the Fourth Proportional to 7,167,995.45, 9,891,829.36 and 3,948,731.45

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Solution

The fourth proportional to 7,167,995.45, 9,891,829.36 and 3,948,731.45 is: 5,449,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,995.45 : 9,891,829.36 = 3,948,731.45 : x
  2. Step 2: Convert to fraction form
    7,167,995.45/9,891,829.36 = 3,948,731.45/x
  3. Step 3: Cross multiply
    7,167,995.45x = 9,891,829.36 × 3,948,731.45
  4. Step 4: Simplify right side
    7,167,995.45x = 39,060,177,691,865.38
  5. Step 5: Solve for x
    x = 39,060,177,691,865.38/7,167,995.45
  6. Step 6: Final answer
    x = 5,449,247.00

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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.