Home / 25,532,899.20-38,299,348.80-20,494,051.20

Finding the Fourth Proportional to 25,532,899.20, 38,299,348.80 and 20,494,051.20

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Solution

The fourth proportional to 25,532,899.20, 38,299,348.80 and 20,494,051.20 is: 30,741,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,532,899.20 : 38,299,348.80 = 20,494,051.20 : x
  2. Step 2: Convert to fraction form
    25,532,899.20/38,299,348.80 = 20,494,051.20/x
  3. Step 3: Cross multiply
    25,532,899.20x = 38,299,348.80 × 20,494,051.20
  4. Step 4: Simplify right side
    25,532,899.20x = 784,908,815,233,858.50
  5. Step 5: Solve for x
    x = 784,908,815,233,858.50/25,532,899.20
  6. Step 6: Final answer
    x = 30,741,076.80

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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.