Home / 37,642,820.80-56,464,231.20-12,086,413.60

Finding the Fourth Proportional to 37,642,820.80, 56,464,231.20 and 12,086,413.60

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Solution

The fourth proportional to 37,642,820.80, 56,464,231.20 and 12,086,413.60 is: 18,129,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,642,820.80 : 56,464,231.20 = 12,086,413.60 : x
  2. Step 2: Convert to fraction form
    37,642,820.80/56,464,231.20 = 12,086,413.60/x
  3. Step 3: Cross multiply
    37,642,820.80x = 56,464,231.20 × 12,086,413.60
  4. Step 4: Simplify right side
    37,642,820.80x = 682,450,051,889,224.38
  5. Step 5: Solve for x
    x = 682,450,051,889,224.38/37,642,820.80
  6. Step 6: Final answer
    x = 18,129,620.40

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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.