Home / 36,718,667.16-50,671,481.04-20,198,436.90

Finding the Fourth Proportional to 36,718,667.16, 50,671,481.04 and 20,198,436.90

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Solution

The fourth proportional to 36,718,667.16, 50,671,481.04 and 20,198,436.90 is: 27,873,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718,667.16 : 50,671,481.04 = 20,198,436.90 : x
  2. Step 2: Convert to fraction form
    36,718,667.16/50,671,481.04 = 20,198,436.90/x
  3. Step 3: Cross multiply
    36,718,667.16x = 50,671,481.04 × 20,198,436.90
  4. Step 4: Simplify right side
    36,718,667.16x = 1,023,484,712,415,986.25
  5. Step 5: Solve for x
    x = 1,023,484,712,415,986.25/36,718,667.16
  6. Step 6: Final answer
    x = 27,873,689.10

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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.