Home / 13,667,627.23-18,861,719.22-7,556,449.39

Finding the Fourth Proportional to 13,667,627.23, 18,861,719.22 and 7,556,449.39

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Solution

The fourth proportional to 13,667,627.23, 18,861,719.22 and 7,556,449.39 is: 10,428,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,627.23 : 18,861,719.22 = 7,556,449.39 : x
  2. Step 2: Convert to fraction form
    13,667,627.23/18,861,719.22 = 7,556,449.39/x
  3. Step 3: Cross multiply
    13,667,627.23x = 18,861,719.22 × 7,556,449.39
  4. Step 4: Simplify right side
    13,667,627.23x = 142,527,626,675,429.16
  5. Step 5: Solve for x
    x = 142,527,626,675,429.16/13,667,627.23
  6. Step 6: Final answer
    x = 10,428,117.79

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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.