Home / 10,180,730.40-15,270,301.20-5,918,179.68

Finding the Fourth Proportional to 10,180,730.40, 15,270,301.20 and 5,918,179.68

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Solution

The fourth proportional to 10,180,730.40, 15,270,301.20 and 5,918,179.68 is: 8,876,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180,730.40 : 15,270,301.20 = 5,918,179.68 : x
  2. Step 2: Convert to fraction form
    10,180,730.40/15,270,301.20 = 5,918,179.68/x
  3. Step 3: Cross multiply
    10,180,730.40x = 15,270,301.20 × 5,918,179.68
  4. Step 4: Simplify right side
    10,180,730.40x = 90,372,386,269,319.61
  5. Step 5: Solve for x
    x = 90,372,386,269,319.61/10,180,730.40
  6. Step 6: Final answer
    x = 8,876,807.73

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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.