Home / 28,493,043.40-42,771,057.90-17,722,505.80

Finding the Fourth Proportional to 28,493,043.40, 42,771,057.90 and 17,722,505.80

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Solution

The fourth proportional to 28,493,043.40, 42,771,057.90 and 17,722,505.80 is: 26,603,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493,043.40 : 42,771,057.90 = 17,722,505.80 : x
  2. Step 2: Convert to fraction form
    28,493,043.40/42,771,057.90 = 17,722,505.80/x
  3. Step 3: Cross multiply
    28,493,043.40x = 42,771,057.90 × 17,722,505.80
  4. Step 4: Simplify right side
    28,493,043.40x = 758,010,321,704,885.88
  5. Step 5: Solve for x
    x = 758,010,321,704,885.88/28,493,043.40
  6. Step 6: Final answer
    x = 26,603,347.04

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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.