Home / 13,493,753.87-18,619,780.07-7,613,045.22

Finding the Fourth Proportional to 13,493,753.87, 18,619,780.07 and 7,613,045.22

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Solution

The fourth proportional to 13,493,753.87, 18,619,780.07 and 7,613,045.22 is: 10,505,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,753.87 : 18,619,780.07 = 7,613,045.22 : x
  2. Step 2: Convert to fraction form
    13,493,753.87/18,619,780.07 = 7,613,045.22/x
  3. Step 3: Cross multiply
    13,493,753.87x = 18,619,780.07 × 7,613,045.22
  4. Step 4: Simplify right side
    13,493,753.87x = 141,753,227,621,299.53
  5. Step 5: Solve for x
    x = 141,753,227,621,299.53/13,493,753.87
  6. Step 6: Final answer
    x = 10,505,099.55

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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.