Home / 25,532,891.70-38,299,337.55-20,494,043.70

Finding the Fourth Proportional to 25,532,891.70, 38,299,337.55 and 20,494,043.70

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Solution

The fourth proportional to 25,532,891.70, 38,299,337.55 and 20,494,043.70 is: 30,741,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,532,891.70 : 38,299,337.55 = 20,494,043.70 : x
  2. Step 2: Convert to fraction form
    25,532,891.70/38,299,337.55 = 20,494,043.70/x
  3. Step 3: Cross multiply
    25,532,891.70x = 38,299,337.55 × 20,494,043.70
  4. Step 4: Simplify right side
    25,532,891.70x = 784,908,297,430,750.88
  5. Step 5: Solve for x
    x = 784,908,297,430,750.88/25,532,891.70
  6. Step 6: Final answer
    x = 30,741,065.55

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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.