Home / 21,751,296.36-30,017,559.29-11,962,498.20

Finding the Fourth Proportional to 21,751,296.36, 30,017,559.29 and 11,962,498.20

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Solution

The fourth proportional to 21,751,296.36, 30,017,559.29 and 11,962,498.20 is: 16,508,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,296.36 : 30,017,559.29 = 11,962,498.20 : x
  2. Step 2: Convert to fraction form
    21,751,296.36/30,017,559.29 = 11,962,498.20/x
  3. Step 3: Cross multiply
    21,751,296.36x = 30,017,559.29 × 11,962,498.20
  4. Step 4: Simplify right side
    21,751,296.36x = 359,084,998,915,205.75
  5. Step 5: Solve for x
    x = 359,084,998,915,205.75/21,751,296.36
  6. Step 6: Final answer
    x = 16,508,671.16

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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.