Home / 12,206,913.86-16,859,521.89-8,039,229.23

Finding the Fourth Proportional to 12,206,913.86, 16,859,521.89 and 8,039,229.23

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Solution

The fourth proportional to 12,206,913.86, 16,859,521.89 and 8,039,229.23 is: 11,103,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206,913.86 : 16,859,521.89 = 8,039,229.23 : x
  2. Step 2: Convert to fraction form
    12,206,913.86/16,859,521.89 = 8,039,229.23/x
  3. Step 3: Cross multiply
    12,206,913.86x = 16,859,521.89 × 8,039,229.23
  4. Step 4: Simplify right side
    12,206,913.86x = 135,537,561,097,615.23
  5. Step 5: Solve for x
    x = 135,537,561,097,615.23/12,206,913.86
  6. Step 6: Final answer
    x = 11,103,343.79

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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.