Home / 14,486,413.20-21,729,619.80-12,148,072.80

Finding the Fourth Proportional to 14,486,413.20, 21,729,619.80 and 12,148,072.80

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Solution

The fourth proportional to 14,486,413.20, 21,729,619.80 and 12,148,072.80 is: 18,222,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486,413.20 : 21,729,619.80 = 12,148,072.80 : x
  2. Step 2: Convert to fraction form
    14,486,413.20/21,729,619.80 = 12,148,072.80/x
  3. Step 3: Cross multiply
    14,486,413.20x = 21,729,619.80 × 12,148,072.80
  4. Step 4: Simplify right side
    14,486,413.20x = 263,973,003,246,721.47
  5. Step 5: Solve for x
    x = 263,973,003,246,721.47/14,486,413.20
  6. Step 6: Final answer
    x = 18,222,109.20

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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.