Home / 12,940,511.10-19,410,766.65-9,954,527.10

Finding the Fourth Proportional to 12,940,511.10, 19,410,766.65 and 9,954,527.10

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Solution

The fourth proportional to 12,940,511.10, 19,410,766.65 and 9,954,527.10 is: 14,931,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,511.10 : 19,410,766.65 = 9,954,527.10 : x
  2. Step 2: Convert to fraction form
    12,940,511.10/19,410,766.65 = 9,954,527.10/x
  3. Step 3: Cross multiply
    12,940,511.10x = 19,410,766.65 × 9,954,527.10
  4. Step 4: Simplify right side
    12,940,511.10x = 193,225,002,649,201.19
  5. Step 5: Solve for x
    x = 193,225,002,649,201.19/12,940,511.10
  6. Step 6: Final answer
    x = 14,931,790.65

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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.