Home / 7,474,456.80-11,211,685.20-7,101,208.80

Finding the Fourth Proportional to 7,474,456.80, 11,211,685.20 and 7,101,208.80

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Solution

The fourth proportional to 7,474,456.80, 11,211,685.20 and 7,101,208.80 is: 10,651,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474,456.80 : 11,211,685.20 = 7,101,208.80 : x
  2. Step 2: Convert to fraction form
    7,474,456.80/11,211,685.20 = 7,101,208.80/x
  3. Step 3: Cross multiply
    7,474,456.80x = 11,211,685.20 × 7,101,208.80
  4. Step 4: Simplify right side
    7,474,456.80x = 79,616,517,605,069.75
  5. Step 5: Solve for x
    x = 79,616,517,605,069.75/7,474,456.80
  6. Step 6: Final answer
    x = 10,651,813.20

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Double scale
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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.