Home / 28,394,719.20-42,592,078.80-26,715,103.20

Finding the Fourth Proportional to 28,394,719.20, 42,592,078.80 and 26,715,103.20

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Solution

The fourth proportional to 28,394,719.20, 42,592,078.80 and 26,715,103.20 is: 40,072,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394,719.20 : 42,592,078.80 = 26,715,103.20 : x
  2. Step 2: Convert to fraction form
    28,394,719.20/42,592,078.80 = 26,715,103.20/x
  3. Step 3: Cross multiply
    28,394,719.20x = 42,592,078.80 × 26,715,103.20
  4. Step 4: Simplify right side
    28,394,719.20x = 1,137,851,780,644,532
  5. Step 5: Solve for x
    x = 1,137,851,780,644,532/28,394,719.20
  6. Step 6: Final answer
    x = 40,072,654.80

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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.