Home / 8,007,418.47-12,011,122.11-3,215,105.52

Finding the Fourth Proportional to 8,007,418.47, 12,011,122.11 and 3,215,105.52

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Solution

The fourth proportional to 8,007,418.47, 12,011,122.11 and 3,215,105.52 is: 4,822,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007,418.47 : 12,011,122.11 = 3,215,105.52 : x
  2. Step 2: Convert to fraction form
    8,007,418.47/12,011,122.11 = 3,215,105.52/x
  3. Step 3: Cross multiply
    8,007,418.47x = 12,011,122.11 × 3,215,105.52
  4. Step 4: Simplify right side
    8,007,418.47x = 38,617,024,997,255.05
  5. Step 5: Solve for x
    x = 38,617,024,997,255.05/8,007,418.47
  6. Step 6: Final answer
    x = 4,822,656.03

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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.