Home / 27,842,513.52-38,422,930.92-15,619,632.96

Finding the Fourth Proportional to 27,842,513.52, 38,422,930.92 and 15,619,632.96

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Solution

The fourth proportional to 27,842,513.52, 38,422,930.92 and 15,619,632.96 is: 21,555,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842,513.52 : 38,422,930.92 = 15,619,632.96 : x
  2. Step 2: Convert to fraction form
    27,842,513.52/38,422,930.92 = 15,619,632.96/x
  3. Step 3: Cross multiply
    27,842,513.52x = 38,422,930.92 × 15,619,632.96
  4. Step 4: Simplify right side
    27,842,513.52x = 600,152,078,217,835.12
  5. Step 5: Solve for x
    x = 600,152,078,217,835.12/27,842,513.52
  6. Step 6: Final answer
    x = 21,555,240.61

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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.