Home / 18,946,942.20-28,367,269.20-18,415,501.20

Finding the Fourth Proportional to 18,946,942.20, 28,367,269.20 and 18,415,501.20

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Solution

The fourth proportional to 18,946,942.20, 28,367,269.20 and 18,415,501.20 is: 27,571,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946,942.20 : 28,367,269.20 = 18,415,501.20 : x
  2. Step 2: Convert to fraction form
    18,946,942.20/28,367,269.20 = 18,415,501.20/x
  3. Step 3: Cross multiply
    18,946,942.20x = 28,367,269.20 × 18,415,501.20
  4. Step 4: Simplify right side
    18,946,942.20x = 522,397,479,993,323
  5. Step 5: Solve for x
    x = 522,397,479,993,323/18,946,942.20
  6. Step 6: Final answer
    x = 27,571,598.33

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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.