Home / 8,206,293.20-12,291,725.10-5,336,511.80

Finding the Fourth Proportional to 8,206,293.20, 12,291,725.10 and 5,336,511.80

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Solution

The fourth proportional to 8,206,293.20, 12,291,725.10 and 5,336,511.80 is: 7,993,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206,293.20 : 12,291,725.10 = 5,336,511.80 : x
  2. Step 2: Convert to fraction form
    8,206,293.20/12,291,725.10 = 5,336,511.80/x
  3. Step 3: Cross multiply
    8,206,293.20x = 12,291,725.10 × 5,336,511.80
  4. Step 4: Simplify right side
    8,206,293.20x = 65,594,936,038,506.17
  5. Step 5: Solve for x
    x = 65,594,936,038,506.17/8,206,293.20
  6. Step 6: Final answer
    x = 7,993,247.92

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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.