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Finding the Fourth Proportional to 14,573,798.22, 20,113,614.75 and 8,462,226.54

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Solution

The fourth proportional to 14,573,798.22, 20,113,614.75 and 8,462,226.54 is: 11,678,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573,798.22 : 20,113,614.75 = 8,462,226.54 : x
  2. Step 2: Convert to fraction form
    14,573,798.22/20,113,614.75 = 8,462,226.54/x
  3. Step 3: Cross multiply
    14,573,798.22x = 20,113,614.75 × 8,462,226.54
  4. Step 4: Simplify right side
    14,573,798.22x = 170,205,964,552,785.44
  5. Step 5: Solve for x
    x = 170,205,964,552,785.44/14,573,798.22
  6. Step 6: Final answer
    x = 11,678,902.23

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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.