Home / 13,874,116.88-20,813,160.02-4,290,234.54

Finding the Fourth Proportional to 13,874,116.88, 20,813,160.02 and 4,290,234.54

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Solution

The fourth proportional to 13,874,116.88, 20,813,160.02 and 4,290,234.54 is: 6,435,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874,116.88 : 20,813,160.02 = 4,290,234.54 : x
  2. Step 2: Convert to fraction form
    13,874,116.88/20,813,160.02 = 4,290,234.54/x
  3. Step 3: Cross multiply
    13,874,116.88x = 20,813,160.02 × 4,290,234.54
  4. Step 4: Simplify right side
    13,874,116.88x = 89,293,337,982,899.92
  5. Step 5: Solve for x
    x = 89,293,337,982,899.92/13,874,116.88
  6. Step 6: Final answer
    x = 6,435,965.53

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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.