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Finding the Fourth Proportional to 16,375,619.20, 24,563,428.80 and 9,998,327.20

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Solution

The fourth proportional to 16,375,619.20, 24,563,428.80 and 9,998,327.20 is: 14,997,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375,619.20 : 24,563,428.80 = 9,998,327.20 : x
  2. Step 2: Convert to fraction form
    16,375,619.20/24,563,428.80 = 9,998,327.20/x
  3. Step 3: Cross multiply
    16,375,619.20x = 24,563,428.80 × 9,998,327.20
  4. Step 4: Simplify right side
    16,375,619.20x = 245,593,198,296,303.34
  5. Step 5: Solve for x
    x = 245,593,198,296,303.34/16,375,619.20
  6. Step 6: Final answer
    x = 14,997,490.80

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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.