Home / 12,676,632.80-17,494,149.26-7,169,899.90

Finding the Fourth Proportional to 12,676,632.80, 17,494,149.26 and 7,169,899.90

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Solution

The fourth proportional to 12,676,632.80, 17,494,149.26 and 7,169,899.90 is: 9,894,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676,632.80 : 17,494,149.26 = 7,169,899.90 : x
  2. Step 2: Convert to fraction form
    12,676,632.80/17,494,149.26 = 7,169,899.90/x
  3. Step 3: Cross multiply
    12,676,632.80x = 17,494,149.26 × 7,169,899.90
  4. Step 4: Simplify right side
    12,676,632.80x = 125,431,299,029,859.09
  5. Step 5: Solve for x
    x = 125,431,299,029,859.09/12,676,632.80
  6. Step 6: Final answer
    x = 9,894,685.84

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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.