Home / 11,945,187.40-17,962,017.90-9,998,768.20

Finding the Fourth Proportional to 11,945,187.40, 17,962,017.90 and 9,998,768.20

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Solution

The fourth proportional to 11,945,187.40, 17,962,017.90 and 9,998,768.20 is: 15,035,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945,187.40 : 17,962,017.90 = 9,998,768.20 : x
  2. Step 2: Convert to fraction form
    11,945,187.40/17,962,017.90 = 9,998,768.20/x
  3. Step 3: Cross multiply
    11,945,187.40x = 17,962,017.90 × 9,998,768.20
  4. Step 4: Simplify right side
    11,945,187.40x = 179,598,053,386,350.75
  5. Step 5: Solve for x
    x = 179,598,053,386,350.75/11,945,187.40
  6. Step 6: Final answer
    x = 15,035,180.90

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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.