Home / 18,677,561.80-28,020,279.30-5,899,358.20

Finding the Fourth Proportional to 18,677,561.80, 28,020,279.30 and 5,899,358.20

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Solution

The fourth proportional to 18,677,561.80, 28,020,279.30 and 5,899,358.20 is: 8,850,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,561.80 : 28,020,279.30 = 5,899,358.20 : x
  2. Step 2: Convert to fraction form
    18,677,561.80/28,020,279.30 = 5,899,358.20/x
  3. Step 3: Cross multiply
    18,677,561.80x = 28,020,279.30 × 5,899,358.20
  4. Step 4: Simplify right side
    18,677,561.80x = 165,301,664,454,745.28
  5. Step 5: Solve for x
    x = 165,301,664,454,745.28/18,677,561.80
  6. Step 6: Final answer
    x = 8,850,280.69

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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.