Home / 21,982,110.30-30,338,945.10-12,195,707.22

Finding the Fourth Proportional to 21,982,110.30, 30,338,945.10 and 12,195,707.22

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Solution

The fourth proportional to 21,982,110.30, 30,338,945.10 and 12,195,707.22 is: 16,832,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982,110.30 : 30,338,945.10 = 12,195,707.22 : x
  2. Step 2: Convert to fraction form
    21,982,110.30/30,338,945.10 = 12,195,707.22/x
  3. Step 3: Cross multiply
    21,982,110.30x = 30,338,945.10 × 12,195,707.22
  4. Step 4: Simplify right side
    21,982,110.30x = 370,004,891,803,253.69
  5. Step 5: Solve for x
    x = 370,004,891,803,253.69/21,982,110.30
  6. Step 6: Final answer
    x = 16,832,091.49

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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.