Home / 10,181,619-14,050,911.44-5,535,716.78

Finding the Fourth Proportional to 10,181,619, 14,050,911.44 and 5,535,716.78

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Solution

The fourth proportional to 10,181,619, 14,050,911.44 and 5,535,716.78 is: 7,639,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181,619 : 14,050,911.44 = 5,535,716.78 : x
  2. Step 2: Convert to fraction form
    10,181,619/14,050,911.44 = 5,535,716.78/x
  3. Step 3: Cross multiply
    10,181,619x = 14,050,911.44 × 5,535,716.78
  4. Step 4: Simplify right side
    10,181,619x = 77,781,866,281,668.53
  5. Step 5: Solve for x
    x = 77,781,866,281,668.53/10,181,619
  6. Step 6: Final answer
    x = 7,639,439.88

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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.