Home / 13,667,091.18-18,860,979.50-7,555,913.34

Finding the Fourth Proportional to 13,667,091.18, 18,860,979.50 and 7,555,913.34

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Solution

The fourth proportional to 13,667,091.18, 18,860,979.50 and 7,555,913.34 is: 10,427,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,091.18 : 18,860,979.50 = 7,555,913.34 : x
  2. Step 2: Convert to fraction form
    13,667,091.18/18,860,979.50 = 7,555,913.34/x
  3. Step 3: Cross multiply
    13,667,091.18x = 18,860,979.50 × 7,555,913.34
  4. Step 4: Simplify right side
    13,667,091.18x = 142,511,926,571,736.97
  5. Step 5: Solve for x
    x = 142,511,926,571,736.97/13,667,091.18
  6. Step 6: Final answer
    x = 10,427,378.05

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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.