Home / 38,566,220.44-53,221,238.16-21,162,856.84

Finding the Fourth Proportional to 38,566,220.44, 53,221,238.16 and 21,162,856.84

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Solution

The fourth proportional to 38,566,220.44, 53,221,238.16 and 21,162,856.84 is: 29,204,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566,220.44 : 53,221,238.16 = 21,162,856.84 : x
  2. Step 2: Convert to fraction form
    38,566,220.44/53,221,238.16 = 21,162,856.84/x
  3. Step 3: Cross multiply
    38,566,220.44x = 53,221,238.16 × 21,162,856.84
  4. Step 4: Simplify right side
    38,566,220.44x = 1,126,313,444,027,625
  5. Step 5: Solve for x
    x = 1,126,313,444,027,625/38,566,220.44
  6. Step 6: Final answer
    x = 29,204,662.30

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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.