Home / 12,943,583.68-19,422,793.92-5,265,811.57

Finding the Fourth Proportional to 12,943,583.68, 19,422,793.92 and 5,265,811.57

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Solution

The fourth proportional to 12,943,583.68, 19,422,793.92 and 5,265,811.57 is: 7,901,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943,583.68 : 19,422,793.92 = 5,265,811.57 : x
  2. Step 2: Convert to fraction form
    12,943,583.68/19,422,793.92 = 5,265,811.57/x
  3. Step 3: Cross multiply
    12,943,583.68x = 19,422,793.92 × 5,265,811.57
  4. Step 4: Simplify right side
    12,943,583.68x = 102,276,772,945,661.67
  5. Step 5: Solve for x
    x = 102,276,772,945,661.67/12,943,583.68
  6. Step 6: Final answer
    x = 7,901,735.37

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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.