Home / 8,748,086.20-13,122,129.30-8,188,214.20

Finding the Fourth Proportional to 8,748,086.20, 13,122,129.30 and 8,188,214.20

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Solution

The fourth proportional to 8,748,086.20, 13,122,129.30 and 8,188,214.20 is: 12,282,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,086.20 : 13,122,129.30 = 8,188,214.20 : x
  2. Step 2: Convert to fraction form
    8,748,086.20/13,122,129.30 = 8,188,214.20/x
  3. Step 3: Cross multiply
    8,748,086.20x = 13,122,129.30 × 8,188,214.20
  4. Step 4: Simplify right side
    8,748,086.20x = 107,446,805,468,496.06
  5. Step 5: Solve for x
    x = 107,446,805,468,496.06/8,748,086.20
  6. Step 6: Final answer
    x = 12,282,321.30

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Double scale
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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.