Home / 7,222,929.76-9,967,579.50-3,959,685.19

Finding the Fourth Proportional to 7,222,929.76, 9,967,579.50 and 3,959,685.19

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Solution

The fourth proportional to 7,222,929.76, 9,967,579.50 and 3,959,685.19 is: 5,464,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,929.76 : 9,967,579.50 = 3,959,685.19 : x
  2. Step 2: Convert to fraction form
    7,222,929.76/9,967,579.50 = 3,959,685.19/x
  3. Step 3: Cross multiply
    7,222,929.76x = 9,967,579.50 × 3,959,685.19
  4. Step 4: Simplify right side
    7,222,929.76x = 39,468,476,926,297.60
  5. Step 5: Solve for x
    x = 39,468,476,926,297.60/7,222,929.76
  6. Step 6: Final answer
    x = 5,464,330.71

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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.