Home / 8,073,136.20-12,109,412.70-3,280,690.20

Finding the Fourth Proportional to 8,073,136.20, 12,109,412.70 and 3,280,690.20

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Solution

The fourth proportional to 8,073,136.20, 12,109,412.70 and 3,280,690.20 is: 4,920,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073,136.20 : 12,109,412.70 = 3,280,690.20 : x
  2. Step 2: Convert to fraction form
    8,073,136.20/12,109,412.70 = 3,280,690.20/x
  3. Step 3: Cross multiply
    8,073,136.20x = 12,109,412.70 × 3,280,690.20
  4. Step 4: Simplify right side
    8,073,136.20x = 39,727,231,572,645.54
  5. Step 5: Solve for x
    x = 39,727,231,572,645.54/8,073,136.20
  6. Step 6: Final answer
    x = 4,920,916.80

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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.