Home / 27,878,373.23-38,469,899.54-16,118,396.11

Finding the Fourth Proportional to 27,878,373.23, 38,469,899.54 and 16,118,396.11

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Solution

The fourth proportional to 27,878,373.23, 38,469,899.54 and 16,118,396.11 is: 22,242,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878,373.23 : 38,469,899.54 = 16,118,396.11 : x
  2. Step 2: Convert to fraction form
    27,878,373.23/38,469,899.54 = 16,118,396.11/x
  3. Step 3: Cross multiply
    27,878,373.23x = 38,469,899.54 × 16,118,396.11
  4. Step 4: Simplify right side
    27,878,373.23x = 620,073,079,190,018.62
  5. Step 5: Solve for x
    x = 620,073,079,190,018.62/27,878,373.23
  6. Step 6: Final answer
    x = 22,242,082.56

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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.