Home / 7,218,003.80-10,829,921.70-3,175,261.40

Finding the Fourth Proportional to 7,218,003.80, 10,829,921.70 and 3,175,261.40

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Solution

The fourth proportional to 7,218,003.80, 10,829,921.70 and 3,175,261.40 is: 4,764,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,003.80 : 10,829,921.70 = 3,175,261.40 : x
  2. Step 2: Convert to fraction form
    7,218,003.80/10,829,921.70 = 3,175,261.40/x
  3. Step 3: Cross multiply
    7,218,003.80x = 10,829,921.70 × 3,175,261.40
  4. Step 4: Simplify right side
    7,218,003.80x = 34,387,832,339,032.38
  5. Step 5: Solve for x
    x = 34,387,832,339,032.38/7,218,003.80
  6. Step 6: Final answer
    x = 4,764,174.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.