Home / 8,500,137.28-11,729,889.32-4,632,581.68

Finding the Fourth Proportional to 8,500,137.28, 11,729,889.32 and 4,632,581.68

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Solution

The fourth proportional to 8,500,137.28, 11,729,889.32 and 4,632,581.68 is: 6,392,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,137.28 : 11,729,889.32 = 4,632,581.68 : x
  2. Step 2: Convert to fraction form
    8,500,137.28/11,729,889.32 = 4,632,581.68/x
  3. Step 3: Cross multiply
    8,500,137.28x = 11,729,889.32 × 4,632,581.68
  4. Step 4: Simplify right side
    8,500,137.28x = 54,339,670,372,259.66
  5. Step 5: Solve for x
    x = 54,339,670,372,259.66/8,500,137.28
  6. Step 6: Final answer
    x = 6,392,799.15

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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.