Home / 14,778,189.78-20,393,708.79-8,251,930.32

Finding the Fourth Proportional to 14,778,189.78, 20,393,708.79 and 8,251,930.32

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Solution

The fourth proportional to 14,778,189.78, 20,393,708.79 and 8,251,930.32 is: 11,387,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778,189.78 : 20,393,708.79 = 8,251,930.32 : x
  2. Step 2: Convert to fraction form
    14,778,189.78/20,393,708.79 = 8,251,930.32/x
  3. Step 3: Cross multiply
    14,778,189.78x = 20,393,708.79 × 8,251,930.32
  4. Step 4: Simplify right side
    14,778,189.78x = 168,287,463,901,451.50
  5. Step 5: Solve for x
    x = 168,287,463,901,451.50/14,778,189.78
  6. Step 6: Final answer
    x = 11,387,556.01

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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.