Home / 12,791,298.92-17,653,792.77-8,143,599.29

Finding the Fourth Proportional to 12,791,298.92, 17,653,792.77 and 8,143,599.29

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Solution

The fourth proportional to 12,791,298.92, 17,653,792.77 and 8,143,599.29 is: 11,239,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,298.92 : 17,653,792.77 = 8,143,599.29 : x
  2. Step 2: Convert to fraction form
    12,791,298.92/17,653,792.77 = 8,143,599.29/x
  3. Step 3: Cross multiply
    12,791,298.92x = 17,653,792.77 × 8,143,599.29
  4. Step 4: Simplify right side
    12,791,298.92x = 143,765,414,179,310.16
  5. Step 5: Solve for x
    x = 143,765,414,179,310.16/12,791,298.92
  6. Step 6: Final answer
    x = 11,239,313.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.