Home / 20,826,186.80-31,239,280.20-5,473,446.80

Finding the Fourth Proportional to 20,826,186.80, 31,239,280.20 and 5,473,446.80

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Solution

The fourth proportional to 20,826,186.80, 31,239,280.20 and 5,473,446.80 is: 8,210,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,826,186.80 : 31,239,280.20 = 5,473,446.80 : x
  2. Step 2: Convert to fraction form
    20,826,186.80/31,239,280.20 = 5,473,446.80/x
  3. Step 3: Cross multiply
    20,826,186.80x = 31,239,280.20 × 5,473,446.80
  4. Step 4: Simplify right side
    20,826,186.80x = 170,986,538,244,993.34
  5. Step 5: Solve for x
    x = 170,986,538,244,993.34/20,826,186.80
  6. Step 6: Final answer
    x = 8,210,170.20

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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.