Home / 40,104,848.64-55,344,761.28-21,770,146.56

Finding the Fourth Proportional to 40,104,848.64, 55,344,761.28 and 21,770,146.56

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Solution

The fourth proportional to 40,104,848.64, 55,344,761.28 and 21,770,146.56 is: 30,042,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,104,848.64 : 55,344,761.28 = 21,770,146.56 : x
  2. Step 2: Convert to fraction form
    40,104,848.64/55,344,761.28 = 21,770,146.56/x
  3. Step 3: Cross multiply
    40,104,848.64x = 55,344,761.28 × 21,770,146.56
  4. Step 4: Simplify right side
    40,104,848.64x = 1,204,863,564,393,813.25
  5. Step 5: Solve for x
    x = 1,204,863,564,393,813.25/40,104,848.64
  6. Step 6: Final answer
    x = 30,042,840.34

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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.