Home / 30,592,540.82-42,216,413.22-16,653,605.78

Finding the Fourth Proportional to 30,592,540.82, 42,216,413.22 and 16,653,605.78

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Solution

The fourth proportional to 30,592,540.82, 42,216,413.22 and 16,653,605.78 is: 22,981,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592,540.82 : 42,216,413.22 = 16,653,605.78 : x
  2. Step 2: Convert to fraction form
    30,592,540.82/42,216,413.22 = 16,653,605.78/x
  3. Step 3: Cross multiply
    30,592,540.82x = 42,216,413.22 × 16,653,605.78
  4. Step 4: Simplify right side
    30,592,540.82x = 703,055,503,211,460.38
  5. Step 5: Solve for x
    x = 703,055,503,211,460.38/30,592,540.82
  6. Step 6: Final answer
    x = 22,981,272.05

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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.