Home / 7,145,814.20-9,861,260.08-3,882,637.27

Finding the Fourth Proportional to 7,145,814.20, 9,861,260.08 and 3,882,637.27

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Solution

The fourth proportional to 7,145,814.20, 9,861,260.08 and 3,882,637.27 is: 5,358,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,814.20 : 9,861,260.08 = 3,882,637.27 : x
  2. Step 2: Convert to fraction form
    7,145,814.20/9,861,260.08 = 3,882,637.27/x
  3. Step 3: Cross multiply
    7,145,814.20x = 9,861,260.08 × 3,882,637.27
  4. Step 4: Simplify right side
    7,145,814.20x = 38,287,695,915,771.18
  5. Step 5: Solve for x
    x = 38,287,695,915,771.18/7,145,814.20
  6. Step 6: Final answer
    x = 5,358,059.26

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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.