Home / 7,982,816.60-11,981,795.18-4,940,981.16

Finding the Fourth Proportional to 7,982,816.60, 11,981,795.18 and 4,940,981.16

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Solution

The fourth proportional to 7,982,816.60, 11,981,795.18 and 4,940,981.16 is: 7,416,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982,816.60 : 11,981,795.18 = 4,940,981.16 : x
  2. Step 2: Convert to fraction form
    7,982,816.60/11,981,795.18 = 4,940,981.16/x
  3. Step 3: Cross multiply
    7,982,816.60x = 11,981,795.18 × 4,940,981.16
  4. Step 4: Simplify right side
    7,982,816.60x = 59,201,824,247,358.81
  5. Step 5: Solve for x
    x = 59,201,824,247,358.81/7,982,816.60
  6. Step 6: Final answer
    x = 7,416,157.38

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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.