Home / 8,196,311.90-12,295,064.55-3,147,622.40

Finding the Fourth Proportional to 8,196,311.90, 12,295,064.55 and 3,147,622.40

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Solution

The fourth proportional to 8,196,311.90, 12,295,064.55 and 3,147,622.40 is: 4,721,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,311.90 : 12,295,064.55 = 3,147,622.40 : x
  2. Step 2: Convert to fraction form
    8,196,311.90/12,295,064.55 = 3,147,622.40/x
  3. Step 3: Cross multiply
    8,196,311.90x = 12,295,064.55 × 3,147,622.40
  4. Step 4: Simplify right side
    8,196,311.90x = 38,700,220,587,025.92
  5. Step 5: Solve for x
    x = 38,700,220,587,025.92/8,196,311.90
  6. Step 6: Final answer
    x = 4,721,662.75

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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.