Home / 21,751,299.36-30,017,563.44-11,962,501.20

Finding the Fourth Proportional to 21,751,299.36, 30,017,563.44 and 11,962,501.20

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Solution

The fourth proportional to 21,751,299.36, 30,017,563.44 and 11,962,501.20 is: 16,508,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,299.36 : 30,017,563.44 = 11,962,501.20 : x
  2. Step 2: Convert to fraction form
    21,751,299.36/30,017,563.44 = 11,962,501.20/x
  3. Step 3: Cross multiply
    21,751,299.36x = 30,017,563.44 × 11,962,501.20
  4. Step 4: Simplify right side
    21,751,299.36x = 359,085,138,672,076.12
  5. Step 5: Solve for x
    x = 359,085,138,672,076.12/21,751,299.36
  6. Step 6: Final answer
    x = 16,508,675.31

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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.