Home / 27,808,859.94-38,374,889.58-15,419,456.88

Finding the Fourth Proportional to 27,808,859.94, 38,374,889.58 and 15,419,456.88

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Solution

The fourth proportional to 27,808,859.94, 38,374,889.58 and 15,419,456.88 is: 21,278,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808,859.94 : 38,374,889.58 = 15,419,456.88 : x
  2. Step 2: Convert to fraction form
    27,808,859.94/38,374,889.58 = 15,419,456.88/x
  3. Step 3: Cross multiply
    27,808,859.94x = 38,374,889.58 × 15,419,456.88
  4. Step 4: Simplify right side
    27,808,859.94x = 591,719,955,153,571.38
  5. Step 5: Solve for x
    x = 591,719,955,153,571.38/27,808,859.94
  6. Step 6: Final answer
    x = 21,278,109.08

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1.5x scale

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.