Home / 10,080,366.20-15,120,549.30-9,041,103.80

Finding the Fourth Proportional to 10,080,366.20, 15,120,549.30 and 9,041,103.80

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Solution

The fourth proportional to 10,080,366.20, 15,120,549.30 and 9,041,103.80 is: 13,561,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,366.20 : 15,120,549.30 = 9,041,103.80 : x
  2. Step 2: Convert to fraction form
    10,080,366.20/15,120,549.30 = 9,041,103.80/x
  3. Step 3: Cross multiply
    10,080,366.20x = 15,120,549.30 × 9,041,103.80
  4. Step 4: Simplify right side
    10,080,366.20x = 136,706,455,734,317.36
  5. Step 5: Solve for x
    x = 136,706,455,734,317.36/10,080,366.20
  6. Step 6: Final answer
    x = 13,561,655.70

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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.