Home / 14,685,405.12-20,268,774.72-9,383,711.04

Finding the Fourth Proportional to 14,685,405.12, 20,268,774.72 and 9,383,711.04

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Solution

The fourth proportional to 14,685,405.12, 20,268,774.72 and 9,383,711.04 is: 12,951,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685,405.12 : 20,268,774.72 = 9,383,711.04 : x
  2. Step 2: Convert to fraction form
    14,685,405.12/20,268,774.72 = 9,383,711.04/x
  3. Step 3: Cross multiply
    14,685,405.12x = 20,268,774.72 × 9,383,711.04
  4. Step 4: Simplify right side
    14,685,405.12x = 190,196,325,107,336.88
  5. Step 5: Solve for x
    x = 190,196,325,107,336.88/14,685,405.12
  6. Step 6: Final answer
    x = 12,951,384.29

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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.