Home / 8,192,003.20-12,288,004.80-5,203,561.60

Finding the Fourth Proportional to 8,192,003.20, 12,288,004.80 and 5,203,561.60

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Solution

The fourth proportional to 8,192,003.20, 12,288,004.80 and 5,203,561.60 is: 7,805,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192,003.20 : 12,288,004.80 = 5,203,561.60 : x
  2. Step 2: Convert to fraction form
    8,192,003.20/12,288,004.80 = 5,203,561.60/x
  3. Step 3: Cross multiply
    8,192,003.20x = 12,288,004.80 × 5,203,561.60
  4. Step 4: Simplify right side
    8,192,003.20x = 63,941,389,917,895.68
  5. Step 5: Solve for x
    x = 63,941,389,917,895.68/8,192,003.20
  6. Step 6: Final answer
    x = 7,805,342.40

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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.