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Finding the Fourth Proportional to 13,203,604.80, 19,763,416.80 and 9,424,468.80

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Solution

The fourth proportional to 13,203,604.80, 19,763,416.80 and 9,424,468.80 is: 14,106,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,604.80 : 19,763,416.80 = 9,424,468.80 : x
  2. Step 2: Convert to fraction form
    13,203,604.80/19,763,416.80 = 9,424,468.80/x
  3. Step 3: Cross multiply
    13,203,604.80x = 19,763,416.80 × 9,424,468.80
  4. Step 4: Simplify right side
    13,203,604.80x = 186,259,705,012,995.88
  5. Step 5: Solve for x
    x = 186,259,705,012,995.88/13,203,604.80
  6. Step 6: Final answer
    x = 14,106,731.29

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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.