Home / 13,990,520.32-19,306,958.08-8,111,297.12

Finding the Fourth Proportional to 13,990,520.32, 19,306,958.08 and 8,111,297.12

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Solution

The fourth proportional to 13,990,520.32, 19,306,958.08 and 8,111,297.12 is: 11,193,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990,520.32 : 19,306,958.08 = 8,111,297.12 : x
  2. Step 2: Convert to fraction form
    13,990,520.32/19,306,958.08 = 8,111,297.12/x
  3. Step 3: Cross multiply
    13,990,520.32x = 19,306,958.08 × 8,111,297.12
  4. Step 4: Simplify right side
    13,990,520.32x = 156,604,473,470,264.72
  5. Step 5: Solve for x
    x = 156,604,473,470,264.72/13,990,520.32
  6. Step 6: Final answer
    x = 11,193,613.24

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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.