Home / 18,111,827.70-27,167,741.55-16,320,237.30

Finding the Fourth Proportional to 18,111,827.70, 27,167,741.55 and 16,320,237.30

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Solution

The fourth proportional to 18,111,827.70, 27,167,741.55 and 16,320,237.30 is: 24,480,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111,827.70 : 27,167,741.55 = 16,320,237.30 : x
  2. Step 2: Convert to fraction form
    18,111,827.70/27,167,741.55 = 16,320,237.30/x
  3. Step 3: Cross multiply
    18,111,827.70x = 27,167,741.55 × 16,320,237.30
  4. Step 4: Simplify right side
    18,111,827.70x = 443,383,989,001,069.88
  5. Step 5: Solve for x
    x = 443,383,989,001,069.88/18,111,827.70
  6. Step 6: Final answer
    x = 24,480,355.95

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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.