Home / 21,047,560.29-29,029,628.25-18,112,324.73

Finding the Fourth Proportional to 21,047,560.29, 29,029,628.25 and 18,112,324.73

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Solution

The fourth proportional to 21,047,560.29, 29,029,628.25 and 18,112,324.73 is: 24,981,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047,560.29 : 29,029,628.25 = 18,112,324.73 : x
  2. Step 2: Convert to fraction form
    21,047,560.29/29,029,628.25 = 18,112,324.73/x
  3. Step 3: Cross multiply
    21,047,560.29x = 29,029,628.25 × 18,112,324.73
  4. Step 4: Simplify right side
    21,047,560.29x = 525,794,053,510,033.50
  5. Step 5: Solve for x
    x = 525,794,053,510,033.50/21,047,560.29
  6. Step 6: Final answer
    x = 24,981,235.18

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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.