Home / 8,201,363.20-12,302,044.80-3,407,459.20

Finding the Fourth Proportional to 8,201,363.20, 12,302,044.80 and 3,407,459.20

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Solution

The fourth proportional to 8,201,363.20, 12,302,044.80 and 3,407,459.20 is: 5,111,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,363.20 : 12,302,044.80 = 3,407,459.20 : x
  2. Step 2: Convert to fraction form
    8,201,363.20/12,302,044.80 = 3,407,459.20/x
  3. Step 3: Cross multiply
    8,201,363.20x = 12,302,044.80 × 3,407,459.20
  4. Step 4: Simplify right side
    8,201,363.20x = 41,918,715,732,572.16
  5. Step 5: Solve for x
    x = 41,918,715,732,572.16/8,201,363.20
  6. Step 6: Final answer
    x = 5,111,188.80

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Similar ratio
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1.5x scale

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.