Home / 13,667,635.09-18,861,370.39-7,473,081.57

Finding the Fourth Proportional to 13,667,635.09, 18,861,370.39 and 7,473,081.57

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Solution

The fourth proportional to 13,667,635.09, 18,861,370.39 and 7,473,081.57 is: 10,312,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,635.09 : 18,861,370.39 = 7,473,081.57 : x
  2. Step 2: Convert to fraction form
    13,667,635.09/18,861,370.39 = 7,473,081.57/x
  3. Step 3: Cross multiply
    13,667,635.09x = 18,861,370.39 × 7,473,081.57
  4. Step 4: Simplify right side
    13,667,635.09x = 140,952,559,456,240.75
  5. Step 5: Solve for x
    x = 140,952,559,456,240.75/13,667,635.09
  6. Step 6: Final answer
    x = 10,312,871.14

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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.