Home / 12,206,907.86-16,859,513.61-8,039,223.23

Finding the Fourth Proportional to 12,206,907.86, 16,859,513.61 and 8,039,223.23

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Solution

The fourth proportional to 12,206,907.86, 16,859,513.61 and 8,039,223.23 is: 11,103,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206,907.86 : 16,859,513.61 = 8,039,223.23 : x
  2. Step 2: Convert to fraction form
    12,206,907.86/16,859,513.61 = 8,039,223.23/x
  3. Step 3: Cross multiply
    12,206,907.86x = 16,859,513.61 × 8,039,223.23
  4. Step 4: Simplify right side
    12,206,907.86x = 135,537,393,375,715.58
  5. Step 5: Solve for x
    x = 135,537,393,375,715.58/12,206,907.86
  6. Step 6: Final answer
    x = 11,103,335.50

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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.