Home / 40,091,405.98-55,326,138.45-21,756,691.48

Finding the Fourth Proportional to 40,091,405.98, 55,326,138.45 and 21,756,691.48

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Solution

The fourth proportional to 40,091,405.98, 55,326,138.45 and 21,756,691.48 is: 30,024,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091,405.98 : 55,326,138.45 = 21,756,691.48 : x
  2. Step 2: Convert to fraction form
    40,091,405.98/55,326,138.45 = 21,756,691.48/x
  3. Step 3: Cross multiply
    40,091,405.98x = 55,326,138.45 × 21,756,691.48
  4. Step 4: Simplify right side
    40,091,405.98x = 1,203,713,725,036,415.50
  5. Step 5: Solve for x
    x = 1,203,713,725,036,415.50/40,091,405.98
  6. Step 6: Final answer
    x = 30,024,233.26

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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.