Home / 7,145,644.96-9,861,079.80-3,882,514.42

Finding the Fourth Proportional to 7,145,644.96, 9,861,079.80 and 3,882,514.42

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Solution

The fourth proportional to 7,145,644.96, 9,861,079.80 and 3,882,514.42 is: 5,357,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,644.96 : 9,861,079.80 = 3,882,514.42 : x
  2. Step 2: Convert to fraction form
    7,145,644.96/9,861,079.80 = 3,882,514.42/x
  3. Step 3: Cross multiply
    7,145,644.96x = 9,861,079.80 × 3,882,514.42
  4. Step 4: Simplify right side
    7,145,644.96x = 38,285,784,520,270.72
  5. Step 5: Solve for x
    x = 38,285,784,520,270.72/7,145,644.96
  6. Step 6: Final answer
    x = 5,357,918.67

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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.