Home / 21,747,212.54-30,010,385.09-11,957,588.18

Finding the Fourth Proportional to 21,747,212.54, 30,010,385.09 and 11,957,588.18

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Solution

The fourth proportional to 21,747,212.54, 30,010,385.09 and 11,957,588.18 is: 16,501,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747,212.54 : 30,010,385.09 = 11,957,588.18 : x
  2. Step 2: Convert to fraction form
    21,747,212.54/30,010,385.09 = 11,957,588.18/x
  3. Step 3: Cross multiply
    21,747,212.54x = 30,010,385.09 × 11,957,588.18
  4. Step 4: Simplify right side
    21,747,212.54x = 358,851,826,134,352.19
  5. Step 5: Solve for x
    x = 358,851,826,134,352.19/21,747,212.54
  6. Step 6: Final answer
    x = 16,501,049.29

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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.