Home / 8,109,792.68-12,165,428.15-2,643,484.44

Finding the Fourth Proportional to 8,109,792.68, 12,165,428.15 and 2,643,484.44

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Solution

The fourth proportional to 8,109,792.68, 12,165,428.15 and 2,643,484.44 is: 3,965,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,792.68 : 12,165,428.15 = 2,643,484.44 : x
  2. Step 2: Convert to fraction form
    8,109,792.68/12,165,428.15 = 2,643,484.44/x
  3. Step 3: Cross multiply
    8,109,792.68x = 12,165,428.15 × 2,643,484.44
  4. Step 4: Simplify right side
    8,109,792.68x = 32,159,120,077,648.59
  5. Step 5: Solve for x
    x = 32,159,120,077,648.59/8,109,792.68
  6. Step 6: Final answer
    x = 3,965,467.60

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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.