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Finding the Fourth Proportional to 14,982,893.60, 22,474,340.40 and 13,387,258.40

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Solution

The fourth proportional to 14,982,893.60, 22,474,340.40 and 13,387,258.40 is: 20,080,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982,893.60 : 22,474,340.40 = 13,387,258.40 : x
  2. Step 2: Convert to fraction form
    14,982,893.60/22,474,340.40 = 13,387,258.40/x
  3. Step 3: Cross multiply
    14,982,893.60x = 22,474,340.40 × 13,387,258.40
  4. Step 4: Simplify right side
    14,982,893.60x = 300,869,802,304,359.38
  5. Step 5: Solve for x
    x = 300,869,802,304,359.38/14,982,893.60
  6. Step 6: Final answer
    x = 20,080,887.60

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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.