Home / 28,512,473.90-42,684,730.05-26,851,520.30

Finding the Fourth Proportional to 28,512,473.90, 42,684,730.05 and 26,851,520.30

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Solution

The fourth proportional to 28,512,473.90, 42,684,730.05 and 26,851,520.30 is: 40,198,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,473.90 : 42,684,730.05 = 26,851,520.30 : x
  2. Step 2: Convert to fraction form
    28,512,473.90/42,684,730.05 = 26,851,520.30/x
  3. Step 3: Cross multiply
    28,512,473.90x = 42,684,730.05 × 26,851,520.30
  4. Step 4: Simplify right side
    28,512,473.90x = 1,146,149,895,437,595
  5. Step 5: Solve for x
    x = 1,146,149,895,437,595/28,512,473.90
  6. Step 6: Final answer
    x = 40,198,191.83

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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.