Home / 21,751,279.11-30,017,535.46-11,962,480.95

Finding the Fourth Proportional to 21,751,279.11, 30,017,535.46 and 11,962,480.95

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Solution

The fourth proportional to 21,751,279.11, 30,017,535.46 and 11,962,480.95 is: 16,508,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,279.11 : 30,017,535.46 = 11,962,480.95 : x
  2. Step 2: Convert to fraction form
    21,751,279.11/30,017,535.46 = 11,962,480.95/x
  3. Step 3: Cross multiply
    21,751,279.11x = 30,017,535.46 × 11,962,480.95
  4. Step 4: Simplify right side
    21,751,279.11x = 359,084,196,076,293.25
  5. Step 5: Solve for x
    x = 359,084,196,076,293.25/21,751,279.11
  6. Step 6: Final answer
    x = 16,508,647.34

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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.