Home / 10,486,891.20-15,730,336.80-3,300,627.90

Finding the Fourth Proportional to 10,486,891.20, 15,730,336.80 and 3,300,627.90

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Solution

The fourth proportional to 10,486,891.20, 15,730,336.80 and 3,300,627.90 is: 4,950,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486,891.20 : 15,730,336.80 = 3,300,627.90 : x
  2. Step 2: Convert to fraction form
    10,486,891.20/15,730,336.80 = 3,300,627.90/x
  3. Step 3: Cross multiply
    10,486,891.20x = 15,730,336.80 × 3,300,627.90
  4. Step 4: Simplify right side
    10,486,891.20x = 51,919,988,518,476.72
  5. Step 5: Solve for x
    x = 51,919,988,518,476.72/10,486,891.20
  6. Step 6: Final answer
    x = 4,950,941.85

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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.