Home / 8,318,736-12,442,081.68-4,898,870.64

Finding the Fourth Proportional to 8,318,736, 12,442,081.68 and 4,898,870.64

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Solution

The fourth proportional to 8,318,736, 12,442,081.68 and 4,898,870.64 is: 7,327,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,736 : 12,442,081.68 = 4,898,870.64 : x
  2. Step 2: Convert to fraction form
    8,318,736/12,442,081.68 = 4,898,870.64/x
  3. Step 3: Cross multiply
    8,318,736x = 12,442,081.68 × 4,898,870.64
  4. Step 4: Simplify right side
    8,318,736x = 60,952,148,642,633.87
  5. Step 5: Solve for x
    x = 60,952,148,642,633.87/8,318,736
  6. Step 6: Final answer
    x = 7,327,092.56

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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.