Home / 40,504,257.50-55,896,045.78-21,919,398.54

Finding the Fourth Proportional to 40,504,257.50, 55,896,045.78 and 21,919,398.54

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Solution

The fourth proportional to 40,504,257.50, 55,896,045.78 and 21,919,398.54 is: 30,248,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504,257.50 : 55,896,045.78 = 21,919,398.54 : x
  2. Step 2: Convert to fraction form
    40,504,257.50/55,896,045.78 = 21,919,398.54/x
  3. Step 3: Cross multiply
    40,504,257.50x = 55,896,045.78 × 21,919,398.54
  4. Step 4: Simplify right side
    40,504,257.50x = 1,225,207,704,261,905.25
  5. Step 5: Solve for x
    x = 1,225,207,704,261,905.25/40,504,257.50
  6. Step 6: Final answer
    x = 30,248,862.22

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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.