Home / 8,685,308.40-13,040,404.20-4,906,172.40

Finding the Fourth Proportional to 8,685,308.40, 13,040,404.20 and 4,906,172.40

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Solution

The fourth proportional to 8,685,308.40, 13,040,404.20 and 4,906,172.40 is: 7,366,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,308.40 : 13,040,404.20 = 4,906,172.40 : x
  2. Step 2: Convert to fraction form
    8,685,308.40/13,040,404.20 = 4,906,172.40/x
  3. Step 3: Cross multiply
    8,685,308.40x = 13,040,404.20 × 4,906,172.40
  4. Step 4: Simplify right side
    8,685,308.40x = 63,978,471,170,884.08
  5. Step 5: Solve for x
    x = 63,978,471,170,884.08/8,685,308.40
  6. Step 6: Final answer
    x = 7,366,286.63

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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.