Home / 38,016,626.40-57,010,942.80-12,458,469.60

Finding the Fourth Proportional to 38,016,626.40, 57,010,942.80 and 12,458,469.60

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Solution

The fourth proportional to 38,016,626.40, 57,010,942.80 and 12,458,469.60 is: 18,683,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016,626.40 : 57,010,942.80 = 12,458,469.60 : x
  2. Step 2: Convert to fraction form
    38,016,626.40/57,010,942.80 = 12,458,469.60/x
  3. Step 3: Cross multiply
    38,016,626.40x = 57,010,942.80 × 12,458,469.60
  4. Step 4: Simplify right side
    38,016,626.40x = 710,269,097,741,138.88
  5. Step 5: Solve for x
    x = 710,269,097,741,138.88/38,016,626.40
  6. Step 6: Final answer
    x = 18,683,117.49

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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.