Home / 8,257,911.68-12,380,047.95-3,643,612.77

Finding the Fourth Proportional to 8,257,911.68, 12,380,047.95 and 3,643,612.77

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Solution

The fourth proportional to 8,257,911.68, 12,380,047.95 and 3,643,612.77 is: 5,462,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,911.68 : 12,380,047.95 = 3,643,612.77 : x
  2. Step 2: Convert to fraction form
    8,257,911.68/12,380,047.95 = 3,643,612.77/x
  3. Step 3: Cross multiply
    8,257,911.68x = 12,380,047.95 × 3,643,612.77
  4. Step 4: Simplify right side
    8,257,911.68x = 45,108,100,843,425.73
  5. Step 5: Solve for x
    x = 45,108,100,843,425.73/8,257,911.68
  6. Step 6: Final answer
    x = 5,462,410.18

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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.