Home / 8,651,507.90-12,963,265.05-5,450,906.30

Finding the Fourth Proportional to 8,651,507.90, 12,963,265.05 and 5,450,906.30

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Solution

The fourth proportional to 8,651,507.90, 12,963,265.05 and 5,450,906.30 is: 8,167,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651,507.90 : 12,963,265.05 = 5,450,906.30 : x
  2. Step 2: Convert to fraction form
    8,651,507.90/12,963,265.05 = 5,450,906.30/x
  3. Step 3: Cross multiply
    8,651,507.90x = 12,963,265.05 × 5,450,906.30
  4. Step 4: Simplify right side
    8,651,507.90x = 70,661,543,129,614.81
  5. Step 5: Solve for x
    x = 70,661,543,129,614.81/8,651,507.90
  6. Step 6: Final answer
    x = 8,167,540.73

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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.