Home / 12,552,901.25-18,836,616.36-5,265,708.38

Finding the Fourth Proportional to 12,552,901.25, 18,836,616.36 and 5,265,708.38

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Solution

The fourth proportional to 12,552,901.25, 18,836,616.36 and 5,265,708.38 is: 7,901,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552,901.25 : 18,836,616.36 = 5,265,708.38 : x
  2. Step 2: Convert to fraction form
    12,552,901.25/18,836,616.36 = 5,265,708.38/x
  3. Step 3: Cross multiply
    12,552,901.25x = 18,836,616.36 × 5,265,708.38
  4. Step 4: Simplify right side
    12,552,901.25x = 99,188,128,617,697.09
  5. Step 5: Solve for x
    x = 99,188,128,617,697.09/12,552,901.25
  6. Step 6: Final answer
    x = 7,901,609.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.