Home / 52,891,442.10-79,309,636.11-18,807,834.42

Finding the Fourth Proportional to 52,891,442.10, 79,309,636.11 and 18,807,834.42

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Solution

The fourth proportional to 52,891,442.10, 79,309,636.11 and 18,807,834.42 is: 28,201,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,891,442.10 : 79,309,636.11 = 18,807,834.42 : x
  2. Step 2: Convert to fraction form
    52,891,442.10/79,309,636.11 = 18,807,834.42/x
  3. Step 3: Cross multiply
    52,891,442.10x = 79,309,636.11 × 18,807,834.42
  4. Step 4: Simplify right side
    52,891,442.10x = 1,491,642,503,867,333
  5. Step 5: Solve for x
    x = 1,491,642,503,867,333/52,891,442.10
  6. Step 6: Final answer
    x = 28,201,963.20

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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.