Home / 7,680,292.80-11,520,439.20-6,237,067.20

Finding the Fourth Proportional to 7,680,292.80, 11,520,439.20 and 6,237,067.20

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Solution

The fourth proportional to 7,680,292.80, 11,520,439.20 and 6,237,067.20 is: 9,355,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,292.80 : 11,520,439.20 = 6,237,067.20 : x
  2. Step 2: Convert to fraction form
    7,680,292.80/11,520,439.20 = 6,237,067.20/x
  3. Step 3: Cross multiply
    7,680,292.80x = 11,520,439.20 × 6,237,067.20
  4. Step 4: Simplify right side
    7,680,292.80x = 71,853,753,463,914.23
  5. Step 5: Solve for x
    x = 71,853,753,463,914.23/7,680,292.80
  6. Step 6: Final answer
    x = 9,355,600.80

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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.