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Finding the Fourth Proportional to 14,907,541.20, 22,361,311.80 and 4,810,162.20

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Solution

The fourth proportional to 14,907,541.20, 22,361,311.80 and 4,810,162.20 is: 7,215,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907,541.20 : 22,361,311.80 = 4,810,162.20 : x
  2. Step 2: Convert to fraction form
    14,907,541.20/22,361,311.80 = 4,810,162.20/x
  3. Step 3: Cross multiply
    14,907,541.20x = 22,361,311.80 × 4,810,162.20
  4. Step 4: Simplify right side
    14,907,541.20x = 107,561,536,762,773.97
  5. Step 5: Solve for x
    x = 107,561,536,762,773.97/14,907,541.20
  6. Step 6: Final answer
    x = 7,215,243.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.