Home / 15,344,121.69-21,174,783.75-8,468,603.75

Finding the Fourth Proportional to 15,344,121.69, 21,174,783.75 and 8,468,603.75

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Solution

The fourth proportional to 15,344,121.69, 21,174,783.75 and 8,468,603.75 is: 11,686,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,121.69 : 21,174,783.75 = 8,468,603.75 : x
  2. Step 2: Convert to fraction form
    15,344,121.69/21,174,783.75 = 8,468,603.75/x
  3. Step 3: Cross multiply
    15,344,121.69x = 21,174,783.75 × 8,468,603.75
  4. Step 4: Simplify right side
    15,344,121.69x = 179,320,853,123,626
  5. Step 5: Solve for x
    x = 179,320,853,123,626/15,344,121.69
  6. Step 6: Final answer
    x = 11,686,615.68

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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.