Home / 13,817,280.92-20,682,790.65-10,178,112.92

Finding the Fourth Proportional to 13,817,280.92, 20,682,790.65 and 10,178,112.92

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Solution

The fourth proportional to 13,817,280.92, 20,682,790.65 and 10,178,112.92 is: 15,235,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817,280.92 : 20,682,790.65 = 10,178,112.92 : x
  2. Step 2: Convert to fraction form
    13,817,280.92/20,682,790.65 = 10,178,112.92/x
  3. Step 3: Cross multiply
    13,817,280.92x = 20,682,790.65 × 10,178,112.92
  4. Step 4: Simplify right side
    13,817,280.92x = 210,511,778,633,006.22
  5. Step 5: Solve for x
    x = 210,511,778,633,006.22/13,817,280.92
  6. Step 6: Final answer
    x = 15,235,398.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.