Home / 20,002,387.80-30,003,581.70-6,540,576.60

Finding the Fourth Proportional to 20,002,387.80, 30,003,581.70 and 6,540,576.60

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Solution

The fourth proportional to 20,002,387.80, 30,003,581.70 and 6,540,576.60 is: 9,810,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,387.80 : 30,003,581.70 = 6,540,576.60 : x
  2. Step 2: Convert to fraction form
    20,002,387.80/30,003,581.70 = 6,540,576.60/x
  3. Step 3: Cross multiply
    20,002,387.80x = 30,003,581.70 × 6,540,576.60
  4. Step 4: Simplify right side
    20,002,387.80x = 196,240,724,383,208.22
  5. Step 5: Solve for x
    x = 196,240,724,383,208.22/20,002,387.80
  6. Step 6: Final answer
    x = 9,810,864.90

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1.5x scale

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.