Home / 13,671,219.41-20,511,318.56-5,590,990.69

Finding the Fourth Proportional to 13,671,219.41, 20,511,318.56 and 5,590,990.69

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Solution

The fourth proportional to 13,671,219.41, 20,511,318.56 and 5,590,990.69 is: 8,388,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671,219.41 : 20,511,318.56 = 5,590,990.69 : x
  2. Step 2: Convert to fraction form
    13,671,219.41/20,511,318.56 = 5,590,990.69/x
  3. Step 3: Cross multiply
    13,671,219.41x = 20,511,318.56 × 5,590,990.69
  4. Step 4: Simplify right side
    13,671,219.41x = 114,678,591,108,584.20
  5. Step 5: Solve for x
    x = 114,678,591,108,584.20/13,671,219.41
  6. Step 6: Final answer
    x = 8,388,322.04

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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.