Home / 10,392,723.70-15,589,085.55-8,503,155.70

Finding the Fourth Proportional to 10,392,723.70, 15,589,085.55 and 8,503,155.70

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Solution

The fourth proportional to 10,392,723.70, 15,589,085.55 and 8,503,155.70 is: 12,754,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,723.70 : 15,589,085.55 = 8,503,155.70 : x
  2. Step 2: Convert to fraction form
    10,392,723.70/15,589,085.55 = 8,503,155.70/x
  3. Step 3: Cross multiply
    10,392,723.70x = 15,589,085.55 × 8,503,155.70
  4. Step 4: Simplify right side
    10,392,723.70x = 132,556,421,652,270.12
  5. Step 5: Solve for x
    x = 132,556,421,652,270.12/10,392,723.70
  6. Step 6: Final answer
    x = 12,754,733.55

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Similar ratio
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1.5x scale

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.