Home / 12,872,724.05-17,769,020.66-8,523,211.62

Finding the Fourth Proportional to 12,872,724.05, 17,769,020.66 and 8,523,211.62

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Solution

The fourth proportional to 12,872,724.05, 17,769,020.66 and 8,523,211.62 is: 11,765,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,724.05 : 17,769,020.66 = 8,523,211.62 : x
  2. Step 2: Convert to fraction form
    12,872,724.05/17,769,020.66 = 8,523,211.62/x
  3. Step 3: Cross multiply
    12,872,724.05x = 17,769,020.66 × 8,523,211.62
  4. Step 4: Simplify right side
    12,872,724.05x = 151,449,123,322,716
  5. Step 5: Solve for x
    x = 151,449,123,322,716/12,872,724.05
  6. Step 6: Final answer
    x = 11,765,118.46

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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.