Home / 40,127,936.40-55,376,877.24-21,793,353.12

Finding the Fourth Proportional to 40,127,936.40, 55,376,877.24 and 21,793,353.12

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Solution

The fourth proportional to 40,127,936.40, 55,376,877.24 and 21,793,353.12 is: 30,075,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,127,936.40 : 55,376,877.24 = 21,793,353.12 : x
  2. Step 2: Convert to fraction form
    40,127,936.40/55,376,877.24 = 21,793,353.12/x
  3. Step 3: Cross multiply
    40,127,936.40x = 55,376,877.24 × 21,793,353.12
  4. Step 4: Simplify right side
    40,127,936.40x = 1,206,847,840,374,211
  5. Step 5: Solve for x
    x = 1,206,847,840,374,211/40,127,936.40
  6. Step 6: Final answer
    x = 30,075,003.82

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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.