Home / 13,826,168.32-19,074,790.68-8,660,536.96

Finding the Fourth Proportional to 13,826,168.32, 19,074,790.68 and 8,660,536.96

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Solution

The fourth proportional to 13,826,168.32, 19,074,790.68 and 8,660,536.96 is: 11,948,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,168.32 : 19,074,790.68 = 8,660,536.96 : x
  2. Step 2: Convert to fraction form
    13,826,168.32/19,074,790.68 = 8,660,536.96/x
  3. Step 3: Cross multiply
    13,826,168.32x = 19,074,790.68 × 8,660,536.96
  4. Step 4: Simplify right side
    13,826,168.32x = 165,197,929,688,403.56
  5. Step 5: Solve for x
    x = 165,197,929,688,403.56/13,826,168.32
  6. Step 6: Final answer
    x = 11,948,207.62

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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.