Home / 8,807,999.20-13,211,998.80-5,794,410.40

Finding the Fourth Proportional to 8,807,999.20, 13,211,998.80 and 5,794,410.40

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Solution

The fourth proportional to 8,807,999.20, 13,211,998.80 and 5,794,410.40 is: 8,691,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807,999.20 : 13,211,998.80 = 5,794,410.40 : x
  2. Step 2: Convert to fraction form
    8,807,999.20/13,211,998.80 = 5,794,410.40/x
  3. Step 3: Cross multiply
    8,807,999.20x = 13,211,998.80 × 5,794,410.40
  4. Step 4: Simplify right side
    8,807,999.20x = 76,555,743,251,507.53
  5. Step 5: Solve for x
    x = 76,555,743,251,507.53/8,807,999.20
  6. Step 6: Final answer
    x = 8,691,615.60

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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.