Home / 8,539,960.30-12,809,940.45-8,171,377.90

Finding the Fourth Proportional to 8,539,960.30, 12,809,940.45 and 8,171,377.90

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Solution

The fourth proportional to 8,539,960.30, 12,809,940.45 and 8,171,377.90 is: 12,257,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,960.30 : 12,809,940.45 = 8,171,377.90 : x
  2. Step 2: Convert to fraction form
    8,539,960.30/12,809,940.45 = 8,171,377.90/x
  3. Step 3: Cross multiply
    8,539,960.30x = 12,809,940.45 × 8,171,377.90
  4. Step 4: Simplify right side
    8,539,960.30x = 104,674,864,293,446.05
  5. Step 5: Solve for x
    x = 104,674,864,293,446.05/8,539,960.30
  6. Step 6: Final answer
    x = 12,257,066.85

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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.