Home / 38,422,004.32-53,022,207.36-20,780,926.56

Finding the Fourth Proportional to 38,422,004.32, 53,022,207.36 and 20,780,926.56

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Solution

The fourth proportional to 38,422,004.32, 53,022,207.36 and 20,780,926.56 is: 28,677,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,422,004.32 : 53,022,207.36 = 20,780,926.56 : x
  2. Step 2: Convert to fraction form
    38,422,004.32/53,022,207.36 = 20,780,926.56/x
  3. Step 3: Cross multiply
    38,422,004.32x = 53,022,207.36 × 20,780,926.56
  4. Step 4: Simplify right side
    38,422,004.32x = 1,101,850,597,197,251.38
  5. Step 5: Solve for x
    x = 1,101,850,597,197,251.38/38,422,004.32
  6. Step 6: Final answer
    x = 28,677,592.87

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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.