Home / 8,078,997.87-12,108,026.34-3,281,113.53

Finding the Fourth Proportional to 8,078,997.87, 12,108,026.34 and 3,281,113.53

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Solution

The fourth proportional to 8,078,997.87, 12,108,026.34 and 3,281,113.53 is: 4,917,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,997.87 : 12,108,026.34 = 3,281,113.53 : x
  2. Step 2: Convert to fraction form
    8,078,997.87/12,108,026.34 = 3,281,113.53/x
  3. Step 3: Cross multiply
    8,078,997.87x = 12,108,026.34 × 3,281,113.53
  4. Step 4: Simplify right side
    8,078,997.87x = 39,727,809,045,770.38
  5. Step 5: Solve for x
    x = 39,727,809,045,770.38/8,078,997.87
  6. Step 6: Final answer
    x = 4,917,417.94

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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.