Home / 15,590,791.94-21,515,431.86-8,621,938.34

Finding the Fourth Proportional to 15,590,791.94, 21,515,431.86 and 8,621,938.34

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Solution

The fourth proportional to 15,590,791.94, 21,515,431.86 and 8,621,938.34 is: 11,898,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590,791.94 : 21,515,431.86 = 8,621,938.34 : x
  2. Step 2: Convert to fraction form
    15,590,791.94/21,515,431.86 = 8,621,938.34/x
  3. Step 3: Cross multiply
    15,590,791.94x = 21,515,431.86 × 8,621,938.34
  4. Step 4: Simplify right side
    15,590,791.94x = 185,504,726,855,391.50
  5. Step 5: Solve for x
    x = 185,504,726,855,391.50/15,590,791.94
  6. Step 6: Final answer
    x = 11,898,351.77

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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.