Home / 8,579,192.76-12,868,781.85-2,189,444.58

Finding the Fourth Proportional to 8,579,192.76, 12,868,781.85 and 2,189,444.58

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Solution

The fourth proportional to 8,579,192.76, 12,868,781.85 and 2,189,444.58 is: 3,284,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,192.76 : 12,868,781.85 = 2,189,444.58 : x
  2. Step 2: Convert to fraction form
    8,579,192.76/12,868,781.85 = 2,189,444.58/x
  3. Step 3: Cross multiply
    8,579,192.76x = 12,868,781.85 × 2,189,444.58
  4. Step 4: Simplify right side
    8,579,192.76x = 28,175,484,672,684.88
  5. Step 5: Solve for x
    x = 28,175,484,672,684.88/8,579,192.76
  6. Step 6: Final answer
    x = 3,284,165.01

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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.