Home / 12,311,568.68-16,989,668.43-6,729,564.71

Finding the Fourth Proportional to 12,311,568.68, 16,989,668.43 and 6,729,564.71

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Solution

The fourth proportional to 12,311,568.68, 16,989,668.43 and 6,729,564.71 is: 9,286,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,568.68 : 16,989,668.43 = 6,729,564.71 : x
  2. Step 2: Convert to fraction form
    12,311,568.68/16,989,668.43 = 6,729,564.71/x
  3. Step 3: Cross multiply
    12,311,568.68x = 16,989,668.43 × 6,729,564.71
  4. Step 4: Simplify right side
    12,311,568.68x = 114,333,073,101,129.11
  5. Step 5: Solve for x
    x = 114,333,073,101,129.11/12,311,568.68
  6. Step 6: Final answer
    x = 9,286,637.31

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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.