Home / 34,086,100.80-51,158,181.60-13,905,825.60

Finding the Fourth Proportional to 34,086,100.80, 51,158,181.60 and 13,905,825.60

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Solution

The fourth proportional to 34,086,100.80, 51,158,181.60 and 13,905,825.60 is: 20,870,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,086,100.80 : 51,158,181.60 = 13,905,825.60 : x
  2. Step 2: Convert to fraction form
    34,086,100.80/51,158,181.60 = 13,905,825.60/x
  3. Step 3: Cross multiply
    34,086,100.80x = 51,158,181.60 × 13,905,825.60
  4. Step 4: Simplify right side
    34,086,100.80x = 711,396,751,342,729
  5. Step 5: Solve for x
    x = 711,396,751,342,729/34,086,100.80
  6. Step 6: Final answer
    x = 20,870,581.69

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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.