Home / 47,531,181.62-71,288,344.61-21,617,413.16

Finding the Fourth Proportional to 47,531,181.62, 71,288,344.61 and 21,617,413.16

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Solution

The fourth proportional to 47,531,181.62, 71,288,344.61 and 21,617,413.16 is: 32,422,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,531,181.62 : 71,288,344.61 = 21,617,413.16 : x
  2. Step 2: Convert to fraction form
    47,531,181.62/71,288,344.61 = 21,617,413.16/x
  3. Step 3: Cross multiply
    47,531,181.62x = 71,288,344.61 × 21,617,413.16
  4. Step 4: Simplify right side
    47,531,181.62x = 1,541,069,598,613,224.50
  5. Step 5: Solve for x
    x = 1,541,069,598,613,224.50/47,531,181.62
  6. Step 6: Final answer
    x = 32,422,286.72

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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.