Home / 8,373,138.30-12,551,734.62-2,689,377.21

Finding the Fourth Proportional to 8,373,138.30, 12,551,734.62 and 2,689,377.21

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Solution

The fourth proportional to 8,373,138.30, 12,551,734.62 and 2,689,377.21 is: 4,031,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373,138.30 : 12,551,734.62 = 2,689,377.21 : x
  2. Step 2: Convert to fraction form
    8,373,138.30/12,551,734.62 = 2,689,377.21/x
  3. Step 3: Cross multiply
    8,373,138.30x = 12,551,734.62 × 2,689,377.21
  4. Step 4: Simplify right side
    8,373,138.30x = 33,756,349,032,996.01
  5. Step 5: Solve for x
    x = 33,756,349,032,996.01/8,373,138.30
  6. Step 6: Final answer
    x = 4,031,505.01

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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.