Home / 36,718,780.20-55,083,419.10-12,458,826.60

Finding the Fourth Proportional to 36,718,780.20, 55,083,419.10 and 12,458,826.60

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Solution

The fourth proportional to 36,718,780.20, 55,083,419.10 and 12,458,826.60 is: 18,690,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718,780.20 : 55,083,419.10 = 12,458,826.60 : x
  2. Step 2: Convert to fraction form
    36,718,780.20/55,083,419.10 = 12,458,826.60/x
  3. Step 3: Cross multiply
    36,718,780.20x = 55,083,419.10 × 12,458,826.60
  4. Step 4: Simplify right side
    36,718,780.20x = 686,274,767,102,028
  5. Step 5: Solve for x
    x = 686,274,767,102,028/36,718,780.20
  6. Step 6: Final answer
    x = 18,690,020.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.