Home / 8,489,883.20-12,734,824.80-5,088,660.80

Finding the Fourth Proportional to 8,489,883.20, 12,734,824.80 and 5,088,660.80

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Solution

The fourth proportional to 8,489,883.20, 12,734,824.80 and 5,088,660.80 is: 7,632,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,883.20 : 12,734,824.80 = 5,088,660.80 : x
  2. Step 2: Convert to fraction form
    8,489,883.20/12,734,824.80 = 5,088,660.80/x
  3. Step 3: Cross multiply
    8,489,883.20x = 12,734,824.80 × 5,088,660.80
  4. Step 4: Simplify right side
    8,489,883.20x = 64,803,203,754,627.84
  5. Step 5: Solve for x
    x = 64,803,203,754,627.84/8,489,883.20
  6. Step 6: Final answer
    x = 7,632,991.20

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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.