Home / 18,419,483.60-27,623,246.76-6,120,143.84

Finding the Fourth Proportional to 18,419,483.60, 27,623,246.76 and 6,120,143.84

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Solution

The fourth proportional to 18,419,483.60, 27,623,246.76 and 6,120,143.84 is: 9,178,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419,483.60 : 27,623,246.76 = 6,120,143.84 : x
  2. Step 2: Convert to fraction form
    18,419,483.60/27,623,246.76 = 6,120,143.84/x
  3. Step 3: Cross multiply
    18,419,483.60x = 27,623,246.76 × 6,120,143.84
  4. Step 4: Simplify right side
    18,419,483.60x = 169,058,243,499,013.97
  5. Step 5: Solve for x
    x = 169,058,243,499,013.97/18,419,483.60
  6. Step 6: Final answer
    x = 9,178,229.27

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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.