Home / 8,579,190.80-12,868,775.30-2,189,443.28

Finding the Fourth Proportional to 8,579,190.80, 12,868,775.30 and 2,189,443.28

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Solution

The fourth proportional to 8,579,190.80, 12,868,775.30 and 2,189,443.28 is: 3,284,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,190.80 : 12,868,775.30 = 2,189,443.28 : x
  2. Step 2: Convert to fraction form
    8,579,190.80/12,868,775.30 = 2,189,443.28/x
  3. Step 3: Cross multiply
    8,579,190.80x = 12,868,775.30 × 2,189,443.28
  4. Step 4: Simplify right side
    8,579,190.80x = 28,175,453,602,414.98
  5. Step 5: Solve for x
    x = 28,175,453,602,414.98/8,579,190.80
  6. Step 6: Final answer
    x = 3,284,162.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.