Home / 7,392,147.60-11,088,221.40-6,981,574.80

Finding the Fourth Proportional to 7,392,147.60, 11,088,221.40 and 6,981,574.80

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Solution

The fourth proportional to 7,392,147.60, 11,088,221.40 and 6,981,574.80 is: 10,472,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392,147.60 : 11,088,221.40 = 6,981,574.80 : x
  2. Step 2: Convert to fraction form
    7,392,147.60/11,088,221.40 = 6,981,574.80/x
  3. Step 3: Cross multiply
    7,392,147.60x = 11,088,221.40 × 6,981,574.80
  4. Step 4: Simplify right side
    7,392,147.60x = 77,413,247,103,060.72
  5. Step 5: Solve for x
    x = 77,413,247,103,060.72/7,392,147.60
  6. Step 6: Final answer
    x = 10,472,362.20

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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.