Home / 15,344,147.28-21,174,818.94-8,468,629.14

Finding the Fourth Proportional to 15,344,147.28, 21,174,818.94 and 8,468,629.14

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Solution

The fourth proportional to 15,344,147.28, 21,174,818.94 and 8,468,629.14 is: 11,686,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,147.28 : 21,174,818.94 = 8,468,629.14 : x
  2. Step 2: Convert to fraction form
    15,344,147.28/21,174,818.94 = 8,468,629.14/x
  3. Step 3: Cross multiply
    15,344,147.28x = 21,174,818.94 × 8,468,629.14
  4. Step 4: Simplify right side
    15,344,147.28x = 179,321,688,709,507.94
  5. Step 5: Solve for x
    x = 179,321,688,709,507.94/15,344,147.28
  6. Step 6: Final answer
    x = 11,686,650.65

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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.