Home / 9,109,691.80-13,664,537.70-5,758,754.20

Finding the Fourth Proportional to 9,109,691.80, 13,664,537.70 and 5,758,754.20

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Solution

The fourth proportional to 9,109,691.80, 13,664,537.70 and 5,758,754.20 is: 8,638,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,691.80 : 13,664,537.70 = 5,758,754.20 : x
  2. Step 2: Convert to fraction form
    9,109,691.80/13,664,537.70 = 5,758,754.20/x
  3. Step 3: Cross multiply
    9,109,691.80x = 13,664,537.70 × 5,758,754.20
  4. Step 4: Simplify right side
    9,109,691.80x = 78,690,713,870,933.34
  5. Step 5: Solve for x
    x = 78,690,713,870,933.34/9,109,691.80
  6. Step 6: Final answer
    x = 8,638,131.30

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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.