Home / 15,512,726.87-21,409,890.46-11,785,424.39

Finding the Fourth Proportional to 15,512,726.87, 21,409,890.46 and 11,785,424.39

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Solution

The fourth proportional to 15,512,726.87, 21,409,890.46 and 11,785,424.39 is: 16,265,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512,726.87 : 21,409,890.46 = 11,785,424.39 : x
  2. Step 2: Convert to fraction form
    15,512,726.87/21,409,890.46 = 11,785,424.39/x
  3. Step 3: Cross multiply
    15,512,726.87x = 21,409,890.46 × 11,785,424.39
  4. Step 4: Simplify right side
    15,512,726.87x = 252,324,645,155,585.19
  5. Step 5: Solve for x
    x = 252,324,645,155,585.19/15,512,726.87
  6. Step 6: Final answer
    x = 16,265,653.83

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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.