Home / 16,449,672.18-22,699,806.75-9,106,989.78

Finding the Fourth Proportional to 16,449,672.18, 22,699,806.75 and 9,106,989.78

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Solution

The fourth proportional to 16,449,672.18, 22,699,806.75 and 9,106,989.78 is: 12,567,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,449,672.18 : 22,699,806.75 = 9,106,989.78 : x
  2. Step 2: Convert to fraction form
    16,449,672.18/22,699,806.75 = 9,106,989.78/x
  3. Step 3: Cross multiply
    16,449,672.18x = 22,699,806.75 × 9,106,989.78
  4. Step 4: Simplify right side
    16,449,672.18x = 206,726,908,080,225
  5. Step 5: Solve for x
    x = 206,726,908,080,225/16,449,672.18
  6. Step 6: Final answer
    x = 12,567,235.74

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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.