Home / 12,627,761.80-18,945,141.90-8,376,233.80

Finding the Fourth Proportional to 12,627,761.80, 18,945,141.90 and 8,376,233.80

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Solution

The fourth proportional to 12,627,761.80, 18,945,141.90 and 8,376,233.80 is: 12,566,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627,761.80 : 18,945,141.90 = 8,376,233.80 : x
  2. Step 2: Convert to fraction form
    12,627,761.80/18,945,141.90 = 8,376,233.80/x
  3. Step 3: Cross multiply
    12,627,761.80x = 18,945,141.90 × 8,376,233.80
  4. Step 4: Simplify right side
    12,627,761.80x = 158,688,937,928,576.22
  5. Step 5: Solve for x
    x = 158,688,937,928,576.22/12,627,761.80
  6. Step 6: Final answer
    x = 12,566,671.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.