Home / 7,474,400.80-11,211,601.20-7,101,152.80

Finding the Fourth Proportional to 7,474,400.80, 11,211,601.20 and 7,101,152.80

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Solution

The fourth proportional to 7,474,400.80, 11,211,601.20 and 7,101,152.80 is: 10,651,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474,400.80 : 11,211,601.20 = 7,101,152.80 : x
  2. Step 2: Convert to fraction form
    7,474,400.80/11,211,601.20 = 7,101,152.80/x
  3. Step 3: Cross multiply
    7,474,400.80x = 11,211,601.20 × 7,101,152.80
  4. Step 4: Simplify right side
    7,474,400.80x = 79,615,293,253,863.36
  5. Step 5: Solve for x
    x = 79,615,293,253,863.36/7,474,400.80
  6. Step 6: Final answer
    x = 10,651,729.20

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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.