Home / 15,961,213.63-22,026,542.07-8,991,974.80

Finding the Fourth Proportional to 15,961,213.63, 22,026,542.07 and 8,991,974.80

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Solution

The fourth proportional to 15,961,213.63, 22,026,542.07 and 8,991,974.80 is: 12,408,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961,213.63 : 22,026,542.07 = 8,991,974.80 : x
  2. Step 2: Convert to fraction form
    15,961,213.63/22,026,542.07 = 8,991,974.80/x
  3. Step 3: Cross multiply
    15,961,213.63x = 22,026,542.07 × 8,991,974.80
  4. Step 4: Simplify right side
    15,961,213.63x = 198,062,111,169,513.47
  5. Step 5: Solve for x
    x = 198,062,111,169,513.47/15,961,213.63
  6. Step 6: Final answer
    x = 12,408,963.11

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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.