Home / 8,555,712.91-12,834,360.29-2,798,479.15

Finding the Fourth Proportional to 8,555,712.91, 12,834,360.29 and 2,798,479.15

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Solution

The fourth proportional to 8,555,712.91, 12,834,360.29 and 2,798,479.15 is: 4,197,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555,712.91 : 12,834,360.29 = 2,798,479.15 : x
  2. Step 2: Convert to fraction form
    8,555,712.91/12,834,360.29 = 2,798,479.15/x
  3. Step 3: Cross multiply
    8,555,712.91x = 12,834,360.29 × 2,798,479.15
  4. Step 4: Simplify right side
    8,555,712.91x = 35,916,689,650,063.25
  5. Step 5: Solve for x
    x = 35,916,689,650,063.25/8,555,712.91
  6. Step 6: Final answer
    x = 4,197,977.43

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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.