Home / 36,515,444.28-50,392,887.66-20,217,921.72

Finding the Fourth Proportional to 36,515,444.28, 50,392,887.66 and 20,217,921.72

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Solution

The fourth proportional to 36,515,444.28, 50,392,887.66 and 20,217,921.72 is: 27,901,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515,444.28 : 50,392,887.66 = 20,217,921.72 : x
  2. Step 2: Convert to fraction form
    36,515,444.28/50,392,887.66 = 20,217,921.72/x
  3. Step 3: Cross multiply
    36,515,444.28x = 50,392,887.66 × 20,217,921.72
  4. Step 4: Simplify right side
    36,515,444.28x = 1,018,839,457,954,633.88
  5. Step 5: Solve for x
    x = 1,018,839,457,954,633.88/36,515,444.28
  6. Step 6: Final answer
    x = 27,901,603.77

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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.