Home / 13,667,627.67-18,861,719.82-7,556,449.83

Finding the Fourth Proportional to 13,667,627.67, 18,861,719.82 and 7,556,449.83

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Solution

The fourth proportional to 13,667,627.67, 18,861,719.82 and 7,556,449.83 is: 10,428,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,627.67 : 18,861,719.82 = 7,556,449.83 : x
  2. Step 2: Convert to fraction form
    13,667,627.67/18,861,719.82 = 7,556,449.83/x
  3. Step 3: Cross multiply
    13,667,627.67x = 18,861,719.82 × 7,556,449.83
  4. Step 4: Simplify right side
    13,667,627.67x = 142,527,639,527,346.62
  5. Step 5: Solve for x
    x = 142,527,639,527,346.62/13,667,627.67
  6. Step 6: Final answer
    x = 10,428,118.40

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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.