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Finding the Fourth Proportional to 14,839,481.80, 22,259,222.70 and 13,375,066.60

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Solution

The fourth proportional to 14,839,481.80, 22,259,222.70 and 13,375,066.60 is: 20,062,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839,481.80 : 22,259,222.70 = 13,375,066.60 : x
  2. Step 2: Convert to fraction form
    14,839,481.80/22,259,222.70 = 13,375,066.60/x
  3. Step 3: Cross multiply
    14,839,481.80x = 22,259,222.70 × 13,375,066.60
  4. Step 4: Simplify right side
    14,839,481.80x = 297,718,586,076,731.81
  5. Step 5: Solve for x
    x = 297,718,586,076,731.81/14,839,481.80
  6. Step 6: Final answer
    x = 20,062,599.90

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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.