Home / 12,787,559.71-19,168,414.90-5,505,769.26

Finding the Fourth Proportional to 12,787,559.71, 19,168,414.90 and 5,505,769.26

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Solution

The fourth proportional to 12,787,559.71, 19,168,414.90 and 5,505,769.26 is: 8,253,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,559.71 : 19,168,414.90 = 5,505,769.26 : x
  2. Step 2: Convert to fraction form
    12,787,559.71/19,168,414.90 = 5,505,769.26/x
  3. Step 3: Cross multiply
    12,787,559.71x = 19,168,414.90 × 5,505,769.26
  4. Step 4: Simplify right side
    12,787,559.71x = 105,536,869,505,581.55
  5. Step 5: Solve for x
    x = 105,536,869,505,581.55/12,787,559.71
  6. Step 6: Final answer
    x = 8,253,089.09

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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.