Home / 15,344,150.78-21,174,823.76-8,468,632.64

Finding the Fourth Proportional to 15,344,150.78, 21,174,823.76 and 8,468,632.64

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Solution

The fourth proportional to 15,344,150.78, 21,174,823.76 and 8,468,632.64 is: 11,686,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,150.78 : 21,174,823.76 = 8,468,632.64 : x
  2. Step 2: Convert to fraction form
    15,344,150.78/21,174,823.76 = 8,468,632.64/x
  3. Step 3: Cross multiply
    15,344,150.78x = 21,174,823.76 × 8,468,632.64
  4. Step 4: Simplify right side
    15,344,150.78x = 179,321,803,640,183.56
  5. Step 5: Solve for x
    x = 179,321,803,640,183.56/15,344,150.78
  6. Step 6: Final answer
    x = 11,686,655.47

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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.