Home / 27,558,512.64-38,028,275.55-15,956,859.15

Finding the Fourth Proportional to 27,558,512.64, 38,028,275.55 and 15,956,859.15

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Solution

The fourth proportional to 27,558,512.64, 38,028,275.55 and 15,956,859.15 is: 22,019,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558,512.64 : 38,028,275.55 = 15,956,859.15 : x
  2. Step 2: Convert to fraction form
    27,558,512.64/38,028,275.55 = 15,956,859.15/x
  3. Step 3: Cross multiply
    27,558,512.64x = 38,028,275.55 × 15,956,859.15
  4. Step 4: Simplify right side
    27,558,512.64x = 606,811,836,668,738.75
  5. Step 5: Solve for x
    x = 606,811,836,668,738.75/27,558,512.64
  6. Step 6: Final answer
    x = 22,019,034.36

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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.