Home / 21,621,833.82-29,838,131.19-11,832,278.31

Finding the Fourth Proportional to 21,621,833.82, 29,838,131.19 and 11,832,278.31

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Solution

The fourth proportional to 21,621,833.82, 29,838,131.19 and 11,832,278.31 is: 16,328,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,833.82 : 29,838,131.19 = 11,832,278.31 : x
  2. Step 2: Convert to fraction form
    21,621,833.82/29,838,131.19 = 11,832,278.31/x
  3. Step 3: Cross multiply
    21,621,833.82x = 29,838,131.19 × 11,832,278.31
  4. Step 4: Simplify right side
    21,621,833.82x = 353,053,072,490,371.50
  5. Step 5: Solve for x
    x = 353,053,072,490,371.50/21,621,833.82
  6. Step 6: Final answer
    x = 16,328,544.35

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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.