Home / 7,143,480.12-9,858,180.36-3,880,293.88

Finding the Fourth Proportional to 7,143,480.12, 9,858,180.36 and 3,880,293.88

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Solution

The fourth proportional to 7,143,480.12, 9,858,180.36 and 3,880,293.88 is: 5,354,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,480.12 : 9,858,180.36 = 3,880,293.88 : x
  2. Step 2: Convert to fraction form
    7,143,480.12/9,858,180.36 = 3,880,293.88/x
  3. Step 3: Cross multiply
    7,143,480.12x = 9,858,180.36 × 3,880,293.88
  4. Step 4: Simplify right side
    7,143,480.12x = 38,252,636,918,844.20
  5. Step 5: Solve for x
    x = 38,252,636,918,844.20/7,143,480.12
  6. Step 6: Final answer
    x = 5,354,902.13

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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.