Home / 21,580,344.46-29,780,527.80-11,790,578.44

Finding the Fourth Proportional to 21,580,344.46, 29,780,527.80 and 11,790,578.44

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Solution

The fourth proportional to 21,580,344.46, 29,780,527.80 and 11,790,578.44 is: 16,270,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,344.46 : 29,780,527.80 = 11,790,578.44 : x
  2. Step 2: Convert to fraction form
    21,580,344.46/29,780,527.80 = 11,790,578.44/x
  3. Step 3: Cross multiply
    21,580,344.46x = 29,780,527.80 × 11,790,578.44
  4. Step 4: Simplify right side
    21,580,344.46x = 351,129,649,010,500.62
  5. Step 5: Solve for x
    x = 351,129,649,010,500.62/21,580,344.46
  6. Step 6: Final answer
    x = 16,270,808.36

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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.