Home / 14,227,989.62-19,615,112.79-8,998,391.30

Finding the Fourth Proportional to 14,227,989.62, 19,615,112.79 and 8,998,391.30

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Solution

The fourth proportional to 14,227,989.62, 19,615,112.79 and 8,998,391.30 is: 12,405,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227,989.62 : 19,615,112.79 = 8,998,391.30 : x
  2. Step 2: Convert to fraction form
    14,227,989.62/19,615,112.79 = 8,998,391.30/x
  3. Step 3: Cross multiply
    14,227,989.62x = 19,615,112.79 × 8,998,391.30
  4. Step 4: Simplify right side
    14,227,989.62x = 176,504,460,278,054.72
  5. Step 5: Solve for x
    x = 176,504,460,278,054.72/14,227,989.62
  6. Step 6: Final answer
    x = 12,405,439.21

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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.