Home / 20,656,508.10-30,985,928.55-6,280,044.90

Finding the Fourth Proportional to 20,656,508.10, 30,985,928.55 and 6,280,044.90

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Solution

The fourth proportional to 20,656,508.10, 30,985,928.55 and 6,280,044.90 is: 9,420,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,508.10 : 30,985,928.55 = 6,280,044.90 : x
  2. Step 2: Convert to fraction form
    20,656,508.10/30,985,928.55 = 6,280,044.90/x
  3. Step 3: Cross multiply
    20,656,508.10x = 30,985,928.55 × 6,280,044.90
  4. Step 4: Simplify right side
    20,656,508.10x = 194,593,022,562,191.91
  5. Step 5: Solve for x
    x = 194,593,022,562,191.91/20,656,508.10
  6. Step 6: Final answer
    x = 9,420,421.96

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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.