Home / 13,667,323.46-18,865,656.27-7,868,416.41

Finding the Fourth Proportional to 13,667,323.46, 18,865,656.27 and 7,868,416.41

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Solution

The fourth proportional to 13,667,323.46, 18,865,656.27 and 7,868,416.41 is: 10,861,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,323.46 : 18,865,656.27 = 7,868,416.41 : x
  2. Step 2: Convert to fraction form
    13,667,323.46/18,865,656.27 = 7,868,416.41/x
  3. Step 3: Cross multiply
    13,667,323.46x = 18,865,656.27 × 7,868,416.41
  4. Step 4: Simplify right side
    13,667,323.46x = 148,442,839,380,287.38
  5. Step 5: Solve for x
    x = 148,442,839,380,287.38/13,667,323.46
  6. Step 6: Final answer
    x = 10,861,149.21

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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.