Home / 31,615,619.28-43,605,481.68-27,212,838

Finding the Fourth Proportional to 31,615,619.28, 43,605,481.68 and 27,212,838

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Solution

The fourth proportional to 31,615,619.28, 43,605,481.68 and 27,212,838 is: 37,532,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615,619.28 : 43,605,481.68 = 27,212,838 : x
  2. Step 2: Convert to fraction form
    31,615,619.28/43,605,481.68 = 27,212,838/x
  3. Step 3: Cross multiply
    31,615,619.28x = 43,605,481.68 × 27,212,838
  4. Step 4: Simplify right side
    31,615,619.28x = 1,186,628,908,869,807.75
  5. Step 5: Solve for x
    x = 1,186,628,908,869,807.75/31,615,619.28
  6. Step 6: Final answer
    x = 37,532,995.90

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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.