Home / 27,982,402.72-38,615,197.28-15,252,221.60

Finding the Fourth Proportional to 27,982,402.72, 38,615,197.28 and 15,252,221.60

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Solution

The fourth proportional to 27,982,402.72, 38,615,197.28 and 15,252,221.60 is: 21,047,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982,402.72 : 38,615,197.28 = 15,252,221.60 : x
  2. Step 2: Convert to fraction form
    27,982,402.72/38,615,197.28 = 15,252,221.60/x
  3. Step 3: Cross multiply
    27,982,402.72x = 38,615,197.28 × 15,252,221.60
  4. Step 4: Simplify right side
    27,982,402.72x = 588,967,546,042,277.25
  5. Step 5: Solve for x
    x = 588,967,546,042,277.25/27,982,402.72
  6. Step 6: Final answer
    x = 21,047,783.21

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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.