Home / 8,174,401.20-12,261,601.80-6,261,213.60

Finding the Fourth Proportional to 8,174,401.20, 12,261,601.80 and 6,261,213.60

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Solution

The fourth proportional to 8,174,401.20, 12,261,601.80 and 6,261,213.60 is: 9,391,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174,401.20 : 12,261,601.80 = 6,261,213.60 : x
  2. Step 2: Convert to fraction form
    8,174,401.20/12,261,601.80 = 6,261,213.60/x
  3. Step 3: Cross multiply
    8,174,401.20x = 12,261,601.80 × 6,261,213.60
  4. Step 4: Simplify right side
    8,174,401.20x = 76,772,507,947,944.48
  5. Step 5: Solve for x
    x = 76,772,507,947,944.48/8,174,401.20
  6. Step 6: Final answer
    x = 9,391,820.40

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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.