Home / 7,328,572.80-10,992,859.20-5,439,004.80

Finding the Fourth Proportional to 7,328,572.80, 10,992,859.20 and 5,439,004.80

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Solution

The fourth proportional to 7,328,572.80, 10,992,859.20 and 5,439,004.80 is: 8,158,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,572.80 : 10,992,859.20 = 5,439,004.80 : x
  2. Step 2: Convert to fraction form
    7,328,572.80/10,992,859.20 = 5,439,004.80/x
  3. Step 3: Cross multiply
    7,328,572.80x = 10,992,859.20 × 5,439,004.80
  4. Step 4: Simplify right side
    7,328,572.80x = 59,790,213,954,524.16
  5. Step 5: Solve for x
    x = 59,790,213,954,524.16/7,328,572.80
  6. Step 6: Final answer
    x = 8,158,507.20

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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.