Home / 8,073,138.70-12,109,416.45-3,280,692.70

Finding the Fourth Proportional to 8,073,138.70, 12,109,416.45 and 3,280,692.70

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Solution

The fourth proportional to 8,073,138.70, 12,109,416.45 and 3,280,692.70 is: 4,920,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073,138.70 : 12,109,416.45 = 3,280,692.70 : x
  2. Step 2: Convert to fraction form
    8,073,138.70/12,109,416.45 = 3,280,692.70/x
  3. Step 3: Cross multiply
    8,073,138.70x = 12,109,416.45 × 3,280,692.70
  4. Step 4: Simplify right side
    8,073,138.70x = 39,727,274,148,774.91
  5. Step 5: Solve for x
    x = 39,727,274,148,774.91/8,073,138.70
  6. Step 6: Final answer
    x = 4,920,920.55

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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.