Home / 18,376,942.40-27,565,413.60-12,314,578.40

Finding the Fourth Proportional to 18,376,942.40, 27,565,413.60 and 12,314,578.40

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Solution

The fourth proportional to 18,376,942.40, 27,565,413.60 and 12,314,578.40 is: 18,471,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,942.40 : 27,565,413.60 = 12,314,578.40 : x
  2. Step 2: Convert to fraction form
    18,376,942.40/27,565,413.60 = 12,314,578.40/x
  3. Step 3: Cross multiply
    18,376,942.40x = 27,565,413.60 × 12,314,578.40
  4. Step 4: Simplify right side
    18,376,942.40x = 339,456,446,905,626.25
  5. Step 5: Solve for x
    x = 339,456,446,905,626.25/18,376,942.40
  6. Step 6: Final answer
    x = 18,471,867.60

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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.