Home / 15,067,455.50-20,796,855.10-9,262,874.21

Finding the Fourth Proportional to 15,067,455.50, 20,796,855.10 and 9,262,874.21

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Solution

The fourth proportional to 15,067,455.50, 20,796,855.10 and 9,262,874.21 is: 12,785,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067,455.50 : 20,796,855.10 = 9,262,874.21 : x
  2. Step 2: Convert to fraction form
    15,067,455.50/20,796,855.10 = 9,262,874.21/x
  3. Step 3: Cross multiply
    15,067,455.50x = 20,796,855.10 × 9,262,874.21
  4. Step 4: Simplify right side
    15,067,455.50x = 192,638,652,627,755.50
  5. Step 5: Solve for x
    x = 192,638,652,627,755.50/15,067,455.50
  6. Step 6: Final answer
    x = 12,785,081.90

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1.5x scale

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.