Home / 6,665,956.20-9,999,452.72-2,178,685.80

Finding the Fourth Proportional to 6,665,956.20, 9,999,452.72 and 2,178,685.80

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Solution

The fourth proportional to 6,665,956.20, 9,999,452.72 and 2,178,685.80 is: 3,268,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,956.20 : 9,999,452.72 = 2,178,685.80 : x
  2. Step 2: Convert to fraction form
    6,665,956.20/9,999,452.72 = 2,178,685.80/x
  3. Step 3: Cross multiply
    6,665,956.20x = 9,999,452.72 × 2,178,685.80
  4. Step 4: Simplify right side
    6,665,956.20x = 21,785,665,648,835.38
  5. Step 5: Solve for x
    x = 21,785,665,648,835.38/6,665,956.20
  6. Step 6: Final answer
    x = 3,268,198.14

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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.