Home / 19,875,940.56-27,428,633.04-11,174,151.96

Finding the Fourth Proportional to 19,875,940.56, 27,428,633.04 and 11,174,151.96

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Solution

The fourth proportional to 19,875,940.56, 27,428,633.04 and 11,174,151.96 is: 15,420,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875,940.56 : 27,428,633.04 = 11,174,151.96 : x
  2. Step 2: Convert to fraction form
    19,875,940.56/27,428,633.04 = 11,174,151.96/x
  3. Step 3: Cross multiply
    19,875,940.56x = 27,428,633.04 × 11,174,151.96
  4. Step 4: Simplify right side
    19,875,940.56x = 306,491,713,644,036.75
  5. Step 5: Solve for x
    x = 306,491,713,644,036.75/19,875,940.56
  6. Step 6: Final answer
    x = 15,420,236.98

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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.