Home / 20,252,109.36-27,948,402.90-11,551,091.52

Finding the Fourth Proportional to 20,252,109.36, 27,948,402.90 and 11,551,091.52

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Solution

The fourth proportional to 20,252,109.36, 27,948,402.90 and 11,551,091.52 is: 15,940,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,109.36 : 27,948,402.90 = 11,551,091.52 : x
  2. Step 2: Convert to fraction form
    20,252,109.36/27,948,402.90 = 11,551,091.52/x
  3. Step 3: Cross multiply
    20,252,109.36x = 27,948,402.90 × 11,551,091.52
  4. Step 4: Simplify right side
    20,252,109.36x = 322,834,559,735,733.38
  5. Step 5: Solve for x
    x = 322,834,559,735,733.38/20,252,109.36
  6. Step 6: Final answer
    x = 15,940,786.91

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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.