Home / 14,778,190.28-20,393,709.48-8,251,930.82

Finding the Fourth Proportional to 14,778,190.28, 20,393,709.48 and 8,251,930.82

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Solution

The fourth proportional to 14,778,190.28, 20,393,709.48 and 8,251,930.82 is: 11,387,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778,190.28 : 20,393,709.48 = 8,251,930.82 : x
  2. Step 2: Convert to fraction form
    14,778,190.28/20,393,709.48 = 8,251,930.82/x
  3. Step 3: Cross multiply
    14,778,190.28x = 20,393,709.48 × 8,251,930.82
  4. Step 4: Simplify right side
    14,778,190.28x = 168,287,479,792,138.19
  5. Step 5: Solve for x
    x = 168,287,479,792,138.19/14,778,190.28
  6. Step 6: Final answer
    x = 11,387,556.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.