Home / 7,328,336.80-10,992,505.20-5,438,768.80

Finding the Fourth Proportional to 7,328,336.80, 10,992,505.20 and 5,438,768.80

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Solution

The fourth proportional to 7,328,336.80, 10,992,505.20 and 5,438,768.80 is: 8,158,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,336.80 : 10,992,505.20 = 5,438,768.80 : x
  2. Step 2: Convert to fraction form
    7,328,336.80/10,992,505.20 = 5,438,768.80/x
  3. Step 3: Cross multiply
    7,328,336.80x = 10,992,505.20 × 5,438,768.80
  4. Step 4: Simplify right side
    7,328,336.80x = 59,785,694,315,597.75
  5. Step 5: Solve for x
    x = 59,785,694,315,597.75/7,328,336.80
  6. Step 6: Final answer
    x = 8,158,153.20

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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.