Home / 21,150,722.96-31,726,193.91-9,628,132.01

Finding the Fourth Proportional to 21,150,722.96, 31,726,193.91 and 9,628,132.01

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Solution

The fourth proportional to 21,150,722.96, 31,726,193.91 and 9,628,132.01 is: 14,442,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,150,722.96 : 31,726,193.91 = 9,628,132.01 : x
  2. Step 2: Convert to fraction form
    21,150,722.96/31,726,193.91 = 9,628,132.01/x
  3. Step 3: Cross multiply
    21,150,722.96x = 31,726,193.91 × 9,628,132.01
  4. Step 4: Simplify right side
    21,150,722.96x = 305,463,982,981,707.12
  5. Step 5: Solve for x
    x = 305,463,982,981,707.12/21,150,722.96
  6. Step 6: Final answer
    x = 14,442,247.84

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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.