Home / 7,488,112.80-11,232,169.20-5,718,640.80

Finding the Fourth Proportional to 7,488,112.80, 11,232,169.20 and 5,718,640.80

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Solution

The fourth proportional to 7,488,112.80, 11,232,169.20 and 5,718,640.80 is: 8,577,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488,112.80 : 11,232,169.20 = 5,718,640.80 : x
  2. Step 2: Convert to fraction form
    7,488,112.80/11,232,169.20 = 5,718,640.80/x
  3. Step 3: Cross multiply
    7,488,112.80x = 11,232,169.20 × 5,718,640.80
  4. Step 4: Simplify right side
    7,488,112.80x = 64,232,741,059,623.35
  5. Step 5: Solve for x
    x = 64,232,741,059,623.35/7,488,112.80
  6. Step 6: Final answer
    x = 8,577,961.20

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Double scale
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Similar ratio
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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.