Home / 7,226,289.62-10,839,422.88-3,987,670.66

Finding the Fourth Proportional to 7,226,289.62, 10,839,422.88 and 3,987,670.66

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Solution

The fourth proportional to 7,226,289.62, 10,839,422.88 and 3,987,670.66 is: 5,981,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226,289.62 : 10,839,422.88 = 3,987,670.66 : x
  2. Step 2: Convert to fraction form
    7,226,289.62/10,839,422.88 = 3,987,670.66/x
  3. Step 3: Cross multiply
    7,226,289.62x = 10,839,422.88 × 3,987,670.66
  4. Step 4: Simplify right side
    7,226,289.62x = 43,224,048,589,908.70
  5. Step 5: Solve for x
    x = 43,224,048,589,908.70/7,226,289.62
  6. Step 6: Final answer
    x = 5,981,499.62

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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.