Home / 18,701,556.94-28,052,333.73-9,478,092.70

Finding the Fourth Proportional to 18,701,556.94, 28,052,333.73 and 9,478,092.70

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Solution

The fourth proportional to 18,701,556.94, 28,052,333.73 and 9,478,092.70 is: 14,217,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,556.94 : 28,052,333.73 = 9,478,092.70 : x
  2. Step 2: Convert to fraction form
    18,701,556.94/28,052,333.73 = 9,478,092.70/x
  3. Step 3: Cross multiply
    18,701,556.94x = 28,052,333.73 × 9,478,092.70
  4. Step 4: Simplify right side
    18,701,556.94x = 265,882,619,544,276.75
  5. Step 5: Solve for x
    x = 265,882,619,544,276.75/18,701,556.94
  6. Step 6: Final answer
    x = 14,217,138.20

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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.