Home / 8,653,310.65-11,945,245.59-5,391,736.84

Finding the Fourth Proportional to 8,653,310.65, 11,945,245.59 and 5,391,736.84

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Solution

The fourth proportional to 8,653,310.65, 11,945,245.59 and 5,391,736.84 is: 7,442,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653,310.65 : 11,945,245.59 = 5,391,736.84 : x
  2. Step 2: Convert to fraction form
    8,653,310.65/11,945,245.59 = 5,391,736.84/x
  3. Step 3: Cross multiply
    8,653,310.65x = 11,945,245.59 × 5,391,736.84
  4. Step 4: Simplify right side
    8,653,310.65x = 64,405,620,710,450.53
  5. Step 5: Solve for x
    x = 64,405,620,710,450.53/8,653,310.65
  6. Step 6: Final answer
    x = 7,442,887.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.