Home / 19,986,780.45-27,581,947.17-11,726,983.25

Finding the Fourth Proportional to 19,986,780.45, 27,581,947.17 and 11,726,983.25

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Solution

The fourth proportional to 19,986,780.45, 27,581,947.17 and 11,726,983.25 is: 16,183,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986,780.45 : 27,581,947.17 = 11,726,983.25 : x
  2. Step 2: Convert to fraction form
    19,986,780.45/27,581,947.17 = 11,726,983.25/x
  3. Step 3: Cross multiply
    19,986,780.45x = 27,581,947.17 × 11,726,983.25
  4. Step 4: Simplify right side
    19,986,780.45x = 323,453,032,464,974.94
  5. Step 5: Solve for x
    x = 323,453,032,464,974.94/19,986,780.45
  6. Step 6: Final answer
    x = 16,183,348.45

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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.