Home / 8,972,409.20-13,458,613.80-8,279,567.60

Finding the Fourth Proportional to 8,972,409.20, 13,458,613.80 and 8,279,567.60

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Solution

The fourth proportional to 8,972,409.20, 13,458,613.80 and 8,279,567.60 is: 12,419,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,409.20 : 13,458,613.80 = 8,279,567.60 : x
  2. Step 2: Convert to fraction form
    8,972,409.20/13,458,613.80 = 8,279,567.60/x
  3. Step 3: Cross multiply
    8,972,409.20x = 13,458,613.80 × 8,279,567.60
  4. Step 4: Simplify right side
    8,972,409.20x = 111,431,502,759,392.88
  5. Step 5: Solve for x
    x = 111,431,502,759,392.88/8,972,409.20
  6. Step 6: Final answer
    x = 12,419,351.40

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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.