Home / 11,659,695.20-17,489,542.80-8,449,762.40

Finding the Fourth Proportional to 11,659,695.20, 17,489,542.80 and 8,449,762.40

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Solution

The fourth proportional to 11,659,695.20, 17,489,542.80 and 8,449,762.40 is: 12,674,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659,695.20 : 17,489,542.80 = 8,449,762.40 : x
  2. Step 2: Convert to fraction form
    11,659,695.20/17,489,542.80 = 8,449,762.40/x
  3. Step 3: Cross multiply
    11,659,695.20x = 17,489,542.80 × 8,449,762.40
  4. Step 4: Simplify right side
    11,659,695.20x = 147,782,481,144,630.72
  5. Step 5: Solve for x
    x = 147,782,481,144,630.72/11,659,695.20
  6. Step 6: Final answer
    x = 12,674,643.60

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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.