Home / 18,109,771.80-27,165,969.90-10,905,793.80

Finding the Fourth Proportional to 18,109,771.80, 27,165,969.90 and 10,905,793.80

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Solution

The fourth proportional to 18,109,771.80, 27,165,969.90 and 10,905,793.80 is: 16,359,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,771.80 : 27,165,969.90 = 10,905,793.80 : x
  2. Step 2: Convert to fraction form
    18,109,771.80/27,165,969.90 = 10,905,793.80/x
  3. Step 3: Cross multiply
    18,109,771.80x = 27,165,969.90 × 10,905,793.80
  4. Step 4: Simplify right side
    18,109,771.80x = 296,266,466,106,406.62
  5. Step 5: Solve for x
    x = 296,266,466,106,406.62/18,109,771.80
  6. Step 6: Final answer
    x = 16,359,480.91

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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.