Home / 8,222,545.80-12,298,826.70-7,375,739.40

Finding the Fourth Proportional to 8,222,545.80, 12,298,826.70 and 7,375,739.40

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Solution

The fourth proportional to 8,222,545.80, 12,298,826.70 and 7,375,739.40 is: 11,032,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222,545.80 : 12,298,826.70 = 7,375,739.40 : x
  2. Step 2: Convert to fraction form
    8,222,545.80/12,298,826.70 = 7,375,739.40/x
  3. Step 3: Cross multiply
    8,222,545.80x = 12,298,826.70 × 7,375,739.40
  4. Step 4: Simplify right side
    8,222,545.80x = 90,712,940,664,961.98
  5. Step 5: Solve for x
    x = 90,712,940,664,961.98/8,222,545.80
  6. Step 6: Final answer
    x = 11,032,220.78

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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.