Home / 12,040,209.60-18,063,072.32-5,217,928

Finding the Fourth Proportional to 12,040,209.60, 18,063,072.32 and 5,217,928

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Solution

The fourth proportional to 12,040,209.60, 18,063,072.32 and 5,217,928 is: 7,828,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040,209.60 : 18,063,072.32 = 5,217,928 : x
  2. Step 2: Convert to fraction form
    12,040,209.60/18,063,072.32 = 5,217,928/x
  3. Step 3: Cross multiply
    12,040,209.60x = 18,063,072.32 × 5,217,928
  4. Step 4: Simplify right side
    12,040,209.60x = 94,251,810,824,552.97
  5. Step 5: Solve for x
    x = 94,251,810,824,552.97/12,040,209.60
  6. Step 6: Final answer
    x = 7,828,087.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.