Home / 10,659,334.80-15,989,002.20-9,543,308.70

Finding the Fourth Proportional to 10,659,334.80, 15,989,002.20 and 9,543,308.70

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Solution

The fourth proportional to 10,659,334.80, 15,989,002.20 and 9,543,308.70 is: 14,314,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659,334.80 : 15,989,002.20 = 9,543,308.70 : x
  2. Step 2: Convert to fraction form
    10,659,334.80/15,989,002.20 = 9,543,308.70/x
  3. Step 3: Cross multiply
    10,659,334.80x = 15,989,002.20 × 9,543,308.70
  4. Step 4: Simplify right side
    10,659,334.80x = 152,587,983,799,579.12
  5. Step 5: Solve for x
    x = 152,587,983,799,579.12/10,659,334.80
  6. Step 6: Final answer
    x = 14,314,963.05

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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.