Home / 8,481,511.80-12,722,209.32-3,432,749.40

Finding the Fourth Proportional to 8,481,511.80, 12,722,209.32 and 3,432,749.40

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Solution

The fourth proportional to 8,481,511.80, 12,722,209.32 and 3,432,749.40 is: 5,149,100.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481,511.80 : 12,722,209.32 = 3,432,749.40 : x
  2. Step 2: Convert to fraction form
    8,481,511.80/12,722,209.32 = 3,432,749.40/x
  3. Step 3: Cross multiply
    8,481,511.80x = 12,722,209.32 × 3,432,749.40
  4. Step 4: Simplify right side
    8,481,511.80x = 43,672,156,409,904.41
  5. Step 5: Solve for x
    x = 43,672,156,409,904.41/8,481,511.80
  6. Step 6: Final answer
    x = 5,149,100.47

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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.