Home / 8,853,348.80-13,280,023.20-8,480,100.80

Finding the Fourth Proportional to 8,853,348.80, 13,280,023.20 and 8,480,100.80

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Solution

The fourth proportional to 8,853,348.80, 13,280,023.20 and 8,480,100.80 is: 12,720,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853,348.80 : 13,280,023.20 = 8,480,100.80 : x
  2. Step 2: Convert to fraction form
    8,853,348.80/13,280,023.20 = 8,480,100.80/x
  3. Step 3: Cross multiply
    8,853,348.80x = 13,280,023.20 × 8,480,100.80
  4. Step 4: Simplify right side
    8,853,348.80x = 112,615,935,362,338.56
  5. Step 5: Solve for x
    x = 112,615,935,362,338.56/8,853,348.80
  6. Step 6: Final answer
    x = 12,720,151.20

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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.