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Finding the Fourth Proportional to 14,642,497.16, 20,206,611.24 and 8,027,074.04

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Solution

The fourth proportional to 14,642,497.16, 20,206,611.24 and 8,027,074.04 is: 11,077,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642,497.16 : 20,206,611.24 = 8,027,074.04 : x
  2. Step 2: Convert to fraction form
    14,642,497.16/20,206,611.24 = 8,027,074.04/x
  3. Step 3: Cross multiply
    14,642,497.16x = 20,206,611.24 × 8,027,074.04
  4. Step 4: Simplify right side
    14,642,497.16x = 162,199,964,520,976.19
  5. Step 5: Solve for x
    x = 162,199,964,520,976.19/14,642,497.16
  6. Step 6: Final answer
    x = 11,077,343.08

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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.