Home / 27,997,938.54-38,615,251.88-18,211,507.80

Finding the Fourth Proportional to 27,997,938.54, 38,615,251.88 and 18,211,507.80

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Solution

The fourth proportional to 27,997,938.54, 38,615,251.88 and 18,211,507.80 is: 25,117,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,997,938.54 : 38,615,251.88 = 18,211,507.80 : x
  2. Step 2: Convert to fraction form
    27,997,938.54/38,615,251.88 = 18,211,507.80/x
  3. Step 3: Cross multiply
    27,997,938.54x = 38,615,251.88 × 18,211,507.80
  4. Step 4: Simplify right side
    27,997,938.54x = 703,241,960,720,527.12
  5. Step 5: Solve for x
    x = 703,241,960,720,527.12/27,997,938.54
  6. Step 6: Final answer
    x = 25,117,633.56

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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.