Home / 27,699,418.64-38,227,176.87-15,309,245.54

Finding the Fourth Proportional to 27,699,418.64, 38,227,176.87 and 15,309,245.54

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Solution

The fourth proportional to 27,699,418.64, 38,227,176.87 and 15,309,245.54 is: 21,127,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,418.64 : 38,227,176.87 = 15,309,245.54 : x
  2. Step 2: Convert to fraction form
    27,699,418.64/38,227,176.87 = 15,309,245.54/x
  3. Step 3: Cross multiply
    27,699,418.64x = 38,227,176.87 × 15,309,245.54
  4. Step 4: Simplify right side
    27,699,418.64x = 585,229,237,003,838.62
  5. Step 5: Solve for x
    x = 585,229,237,003,838.62/27,699,418.64
  6. Step 6: Final answer
    x = 21,127,852.70

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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.