Home / 40,073,635.95-55,301,723.91-21,738,921.45

Finding the Fourth Proportional to 40,073,635.95, 55,301,723.91 and 21,738,921.45

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Solution

The fourth proportional to 40,073,635.95, 55,301,723.91 and 21,738,921.45 is: 29,999,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,635.95 : 55,301,723.91 = 21,738,921.45 : x
  2. Step 2: Convert to fraction form
    40,073,635.95/55,301,723.91 = 21,738,921.45/x
  3. Step 3: Cross multiply
    40,073,635.95x = 55,301,723.91 × 21,738,921.45
  4. Step 4: Simplify right side
    40,073,635.95x = 1,202,199,832,129,076.75
  5. Step 5: Solve for x
    x = 1,202,199,832,129,076.75/40,073,635.95
  6. Step 6: Final answer
    x = 29,999,769.27

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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.