Home / 10,392,720.45-15,589,080.68-8,503,152.45

Finding the Fourth Proportional to 10,392,720.45, 15,589,080.68 and 8,503,152.45

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Solution

The fourth proportional to 10,392,720.45, 15,589,080.68 and 8,503,152.45 is: 12,754,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,720.45 : 15,589,080.68 = 8,503,152.45 : x
  2. Step 2: Convert to fraction form
    10,392,720.45/15,589,080.68 = 8,503,152.45/x
  3. Step 3: Cross multiply
    10,392,720.45x = 15,589,080.68 × 8,503,152.45
  4. Step 4: Simplify right side
    10,392,720.45x = 132,556,329,534,873.91
  5. Step 5: Solve for x
    x = 132,556,329,534,873.91/10,392,720.45
  6. Step 6: Final answer
    x = 12,754,728.68

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Similar ratio
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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.