Home / 40,073,647.89-55,301,740.53-21,738,933.39

Finding the Fourth Proportional to 40,073,647.89, 55,301,740.53 and 21,738,933.39

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Solution

The fourth proportional to 40,073,647.89, 55,301,740.53 and 21,738,933.39 is: 29,999,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,647.89 : 55,301,740.53 = 21,738,933.39 : x
  2. Step 2: Convert to fraction form
    40,073,647.89/55,301,740.53 = 21,738,933.39/x
  3. Step 3: Cross multiply
    40,073,647.89x = 55,301,740.53 × 21,738,933.39
  4. Step 4: Simplify right side
    40,073,647.89x = 1,202,200,853,732,733.25
  5. Step 5: Solve for x
    x = 1,202,200,853,732,733.25/40,073,647.89
  6. Step 6: Final answer
    x = 29,999,785.82

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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.