Home / 20,278,246.24-27,985,100.43-11,579,213.17

Finding the Fourth Proportional to 20,278,246.24, 27,985,100.43 and 11,579,213.17

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Solution

The fourth proportional to 20,278,246.24, 27,985,100.43 and 11,579,213.17 is: 15,979,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,278,246.24 : 27,985,100.43 = 11,579,213.17 : x
  2. Step 2: Convert to fraction form
    20,278,246.24/27,985,100.43 = 11,579,213.17/x
  3. Step 3: Cross multiply
    20,278,246.24x = 27,985,100.43 × 11,579,213.17
  4. Step 4: Simplify right side
    20,278,246.24x = 324,045,443,462,828.69
  5. Step 5: Solve for x
    x = 324,045,443,462,828.69/20,278,246.24
  6. Step 6: Final answer
    x = 15,979,954.07

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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.