Home / 12,761,844.26-19,151,279.28-6,619,487.09

Finding the Fourth Proportional to 12,761,844.26, 19,151,279.28 and 6,619,487.09

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Solution

The fourth proportional to 12,761,844.26, 19,151,279.28 and 6,619,487.09 is: 9,933,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,844.26 : 19,151,279.28 = 6,619,487.09 : x
  2. Step 2: Convert to fraction form
    12,761,844.26/19,151,279.28 = 6,619,487.09/x
  3. Step 3: Cross multiply
    12,761,844.26x = 19,151,279.28 × 6,619,487.09
  4. Step 4: Simplify right side
    12,761,844.26x = 126,771,645,855,188.11
  5. Step 5: Solve for x
    x = 126,771,645,855,188.11/12,761,844.26
  6. Step 6: Final answer
    x = 9,933,646.21

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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.