Home / 12,596,488.88-18,893,233.19-7,412,197.28

Finding the Fourth Proportional to 12,596,488.88, 18,893,233.19 and 7,412,197.28

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Solution

The fourth proportional to 12,596,488.88, 18,893,233.19 and 7,412,197.28 is: 11,117,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,488.88 : 18,893,233.19 = 7,412,197.28 : x
  2. Step 2: Convert to fraction form
    12,596,488.88/18,893,233.19 = 7,412,197.28/x
  3. Step 3: Cross multiply
    12,596,488.88x = 18,893,233.19 × 7,412,197.28
  4. Step 4: Simplify right side
    12,596,488.88x = 140,040,371,585,388.05
  5. Step 5: Solve for x
    x = 140,040,371,585,388.05/12,596,488.88
  6. Step 6: Final answer
    x = 11,117,413.19

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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.