Home / 40,087,419.98-55,320,791.31-21,752,705.48

Finding the Fourth Proportional to 40,087,419.98, 55,320,791.31 and 21,752,705.48

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Solution

The fourth proportional to 40,087,419.98, 55,320,791.31 and 21,752,705.48 is: 30,018,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,087,419.98 : 55,320,791.31 = 21,752,705.48 : x
  2. Step 2: Convert to fraction form
    40,087,419.98/55,320,791.31 = 21,752,705.48/x
  3. Step 3: Cross multiply
    40,087,419.98x = 55,320,791.31 × 21,752,705.48
  4. Step 4: Simplify right side
    40,087,419.98x = 1,203,376,879,901,606
  5. Step 5: Solve for x
    x = 1,203,376,879,901,606/40,087,419.98
  6. Step 6: Final answer
    x = 30,018,815.89

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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.