Home / 13,667,619.79-18,861,708.96-7,556,441.95

Finding the Fourth Proportional to 13,667,619.79, 18,861,708.96 and 7,556,441.95

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Solution

The fourth proportional to 13,667,619.79, 18,861,708.96 and 7,556,441.95 is: 10,428,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,619.79 : 18,861,708.96 = 7,556,441.95 : x
  2. Step 2: Convert to fraction form
    13,667,619.79/18,861,708.96 = 7,556,441.95/x
  3. Step 3: Cross multiply
    13,667,619.79x = 18,861,708.96 × 7,556,441.95
  4. Step 4: Simplify right side
    13,667,619.79x = 142,527,408,739,726.34
  5. Step 5: Solve for x
    x = 142,527,408,739,726.34/13,667,619.79
  6. Step 6: Final answer
    x = 10,428,107.53

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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.