Home / 13,667,618.95-18,861,707.82-7,556,441.11

Finding the Fourth Proportional to 13,667,618.95, 18,861,707.82 and 7,556,441.11

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Solution

The fourth proportional to 13,667,618.95, 18,861,707.82 and 7,556,441.11 is: 10,428,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,618.95 : 18,861,707.82 = 7,556,441.11 : x
  2. Step 2: Convert to fraction form
    13,667,618.95/18,861,707.82 = 7,556,441.11/x
  3. Step 3: Cross multiply
    13,667,618.95x = 18,861,707.82 × 7,556,441.11
  4. Step 4: Simplify right side
    13,667,618.95x = 142,527,384,399,382.28
  5. Step 5: Solve for x
    x = 142,527,384,399,382.28/13,667,618.95
  6. Step 6: Final answer
    x = 10,428,106.38

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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.