Home / 7,232,794.18-9,981,868.62-3,970,161.58

Finding the Fourth Proportional to 7,232,794.18, 9,981,868.62 and 3,970,161.58

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Solution

The fourth proportional to 7,232,794.18, 9,981,868.62 and 3,970,161.58 is: 5,479,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232,794.18 : 9,981,868.62 = 3,970,161.58 : x
  2. Step 2: Convert to fraction form
    7,232,794.18/9,981,868.62 = 3,970,161.58/x
  3. Step 3: Cross multiply
    7,232,794.18x = 9,981,868.62 × 3,970,161.58
  4. Step 4: Simplify right side
    7,232,794.18x = 39,629,631,291,731.62
  5. Step 5: Solve for x
    x = 39,629,631,291,731.62/7,232,794.18
  6. Step 6: Final answer
    x = 5,479,159.27

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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.