Home / 36,515,443.28-50,392,886.28-20,217,920.72

Finding the Fourth Proportional to 36,515,443.28, 50,392,886.28 and 20,217,920.72

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Solution

The fourth proportional to 36,515,443.28, 50,392,886.28 and 20,217,920.72 is: 27,901,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515,443.28 : 50,392,886.28 = 20,217,920.72 : x
  2. Step 2: Convert to fraction form
    36,515,443.28/50,392,886.28 = 20,217,920.72/x
  3. Step 3: Cross multiply
    36,515,443.28x = 50,392,886.28 × 20,217,920.72
  4. Step 4: Simplify right side
    36,515,443.28x = 1,018,839,379,661,015.62
  5. Step 5: Solve for x
    x = 1,018,839,379,661,015.62/36,515,443.28
  6. Step 6: Final answer
    x = 27,901,602.39

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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.