Home / 30,498,676.27-42,087,742.29-17,267,511.78

Finding the Fourth Proportional to 30,498,676.27, 42,087,742.29 and 17,267,511.78

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Solution

The fourth proportional to 30,498,676.27, 42,087,742.29 and 17,267,511.78 is: 23,828,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,498,676.27 : 42,087,742.29 = 17,267,511.78 : x
  2. Step 2: Convert to fraction form
    30,498,676.27/42,087,742.29 = 17,267,511.78/x
  3. Step 3: Cross multiply
    30,498,676.27x = 42,087,742.29 × 17,267,511.78
  4. Step 4: Simplify right side
    30,498,676.27x = 726,750,585,786,179.25
  5. Step 5: Solve for x
    x = 726,750,585,786,179.25/30,498,676.27
  6. Step 6: Final answer
    x = 23,828,922.26

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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.