Home / 8,171,639.60-11,276,028.14-5,031,404.60

Finding the Fourth Proportional to 8,171,639.60, 11,276,028.14 and 5,031,404.60

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Solution

The fourth proportional to 8,171,639.60, 11,276,028.14 and 5,031,404.60 is: 6,942,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,639.60 : 11,276,028.14 = 5,031,404.60 : x
  2. Step 2: Convert to fraction form
    8,171,639.60/11,276,028.14 = 5,031,404.60/x
  3. Step 3: Cross multiply
    8,171,639.60x = 11,276,028.14 × 5,031,404.60
  4. Step 4: Simplify right side
    8,171,639.60x = 56,734,259,853,325.45
  5. Step 5: Solve for x
    x = 56,734,259,853,325.45/8,171,639.60
  6. Step 6: Final answer
    x = 6,942,824.53

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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.