Home / 20,198,547.40-27,874,683.22-11,945,684.20

Finding the Fourth Proportional to 20,198,547.40, 27,874,683.22 and 11,945,684.20

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Solution

The fourth proportional to 20,198,547.40, 27,874,683.22 and 11,945,684.20 is: 16,485,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,547.40 : 27,874,683.22 = 11,945,684.20 : x
  2. Step 2: Convert to fraction form
    20,198,547.40/27,874,683.22 = 11,945,684.20/x
  3. Step 3: Cross multiply
    20,198,547.40x = 27,874,683.22 × 11,945,684.20
  4. Step 4: Simplify right side
    20,198,547.40x = 332,982,162,921,159.06
  5. Step 5: Solve for x
    x = 332,982,162,921,159.06/20,198,547.40
  6. Step 6: Final answer
    x = 16,485,450.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.