Home / 8,282,686.20-12,431,027.70-3,237,617.40

Finding the Fourth Proportional to 8,282,686.20, 12,431,027.70 and 3,237,617.40

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Solution

The fourth proportional to 8,282,686.20, 12,431,027.70 and 3,237,617.40 is: 4,859,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282,686.20 : 12,431,027.70 = 3,237,617.40 : x
  2. Step 2: Convert to fraction form
    8,282,686.20/12,431,027.70 = 3,237,617.40/x
  3. Step 3: Cross multiply
    8,282,686.20x = 12,431,027.70 × 3,237,617.40
  4. Step 4: Simplify right side
    8,282,686.20x = 40,246,911,581,401.98
  5. Step 5: Solve for x
    x = 40,246,911,581,401.98/8,282,686.20
  6. Step 6: Final answer
    x = 4,859,161.70

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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.