Home / 8,320,753.10-12,481,129.65-6,809,098.70

Finding the Fourth Proportional to 8,320,753.10, 12,481,129.65 and 6,809,098.70

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Solution

The fourth proportional to 8,320,753.10, 12,481,129.65 and 6,809,098.70 is: 10,213,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,753.10 : 12,481,129.65 = 6,809,098.70 : x
  2. Step 2: Convert to fraction form
    8,320,753.10/12,481,129.65 = 6,809,098.70/x
  3. Step 3: Cross multiply
    8,320,753.10x = 12,481,129.65 × 6,809,098.70
  4. Step 4: Simplify right side
    8,320,753.10x = 84,985,243,674,346.45
  5. Step 5: Solve for x
    x = 84,985,243,674,346.45/8,320,753.10
  6. Step 6: Final answer
    x = 10,213,648.05

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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.