Home / 8,420,311.92-12,632,026.11-2,664,492.42

Finding the Fourth Proportional to 8,420,311.92, 12,632,026.11 and 2,664,492.42

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Solution

The fourth proportional to 8,420,311.92, 12,632,026.11 and 2,664,492.42 is: 3,997,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,311.92 : 12,632,026.11 = 2,664,492.42 : x
  2. Step 2: Convert to fraction form
    8,420,311.92/12,632,026.11 = 2,664,492.42/x
  3. Step 3: Cross multiply
    8,420,311.92x = 12,632,026.11 × 2,664,492.42
  4. Step 4: Simplify right side
    8,420,311.92x = 33,657,937,819,337.08
  5. Step 5: Solve for x
    x = 33,657,937,819,337.08/8,420,311.92
  6. Step 6: Final answer
    x = 3,997,231.71

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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.