Home / 40,073,643.06-55,301,733.89-21,738,928.56

Finding the Fourth Proportional to 40,073,643.06, 55,301,733.89 and 21,738,928.56

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Solution

The fourth proportional to 40,073,643.06, 55,301,733.89 and 21,738,928.56 is: 29,999,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,643.06 : 55,301,733.89 = 21,738,928.56 : x
  2. Step 2: Convert to fraction form
    40,073,643.06/55,301,733.89 = 21,738,928.56/x
  3. Step 3: Cross multiply
    40,073,643.06x = 55,301,733.89 × 21,738,928.56
  4. Step 4: Simplify right side
    40,073,643.06x = 1,202,200,442,278,840.75
  5. Step 5: Solve for x
    x = 1,202,200,442,278,840.75/40,073,643.06
  6. Step 6: Final answer
    x = 29,999,779.17

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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.