Home / 15,344,145.69-21,174,816.87-8,468,627.73

Finding the Fourth Proportional to 15,344,145.69, 21,174,816.87 and 8,468,627.73

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Solution

The fourth proportional to 15,344,145.69, 21,174,816.87 and 8,468,627.73 is: 11,686,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,145.69 : 21,174,816.87 = 8,468,627.73 : x
  2. Step 2: Convert to fraction form
    15,344,145.69/21,174,816.87 = 8,468,627.73/x
  3. Step 3: Cross multiply
    15,344,145.69x = 21,174,816.87 × 8,468,627.73
  4. Step 4: Simplify right side
    15,344,145.69x = 179,321,641,322,953.81
  5. Step 5: Solve for x
    x = 179,321,641,322,953.81/15,344,145.69
  6. Step 6: Final answer
    x = 11,686,648.77

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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.