Home / 40,073,634.45-55,301,721.89-21,738,919.95

Finding the Fourth Proportional to 40,073,634.45, 55,301,721.89 and 21,738,919.95

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Solution

The fourth proportional to 40,073,634.45, 55,301,721.89 and 21,738,919.95 is: 29,999,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,634.45 : 55,301,721.89 = 21,738,919.95 : x
  2. Step 2: Convert to fraction form
    40,073,634.45/55,301,721.89 = 21,738,919.95/x
  3. Step 3: Cross multiply
    40,073,634.45x = 55,301,721.89 × 21,738,919.95
  4. Step 4: Simplify right side
    40,073,634.45x = 1,202,199,705,155,178
  5. Step 5: Solve for x
    x = 1,202,199,705,155,178/40,073,634.45
  6. Step 6: Final answer
    x = 29,999,767.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.