Home / 40,474,900.73-55,855,363.03-21,890,040.75

Finding the Fourth Proportional to 40,474,900.73, 55,855,363.03 and 21,890,040.75

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Solution

The fourth proportional to 40,474,900.73, 55,855,363.03 and 21,890,040.75 is: 30,208,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,474,900.73 : 55,855,363.03 = 21,890,040.75 : x
  2. Step 2: Convert to fraction form
    40,474,900.73/55,855,363.03 = 21,890,040.75/x
  3. Step 3: Cross multiply
    40,474,900.73x = 55,855,363.03 × 21,890,040.75
  4. Step 4: Simplify right side
    40,474,900.73x = 1,222,676,172,778,018.50
  5. Step 5: Solve for x
    x = 1,222,676,172,778,018.50/40,474,900.73
  6. Step 6: Final answer
    x = 30,208,256.24

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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.