Home / 12,300,235.38-18,450,418.77-8,067,209.40

Finding the Fourth Proportional to 12,300,235.38, 18,450,418.77 and 8,067,209.40

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Solution

The fourth proportional to 12,300,235.38, 18,450,418.77 and 8,067,209.40 is: 12,100,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,235.38 : 18,450,418.77 = 8,067,209.40 : x
  2. Step 2: Convert to fraction form
    12,300,235.38/18,450,418.77 = 8,067,209.40/x
  3. Step 3: Cross multiply
    12,300,235.38x = 18,450,418.77 × 8,067,209.40
  4. Step 4: Simplify right side
    12,300,235.38x = 148,843,391,735,280.44
  5. Step 5: Solve for x
    x = 148,843,391,735,280.44/12,300,235.38
  6. Step 6: Final answer
    x = 12,100,857.19

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1.5x scale

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.