Home / 40,036,141.82-55,248,395.01-21,701,033.66

Finding the Fourth Proportional to 40,036,141.82, 55,248,395.01 and 21,701,033.66

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Solution

The fourth proportional to 40,036,141.82, 55,248,395.01 and 21,701,033.66 is: 29,946,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,036,141.82 : 55,248,395.01 = 21,701,033.66 : x
  2. Step 2: Convert to fraction form
    40,036,141.82/55,248,395.01 = 21,701,033.66/x
  3. Step 3: Cross multiply
    40,036,141.82x = 55,248,395.01 × 21,701,033.66
  4. Step 4: Simplify right side
    40,036,141.82x = 1,198,947,279,772,986
  5. Step 5: Solve for x
    x = 1,198,947,279,772,986/40,036,141.82
  6. Step 6: Final answer
    x = 29,946,623.86

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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.