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Finding the Fourth Proportional to 14,652,563.70, 21,978,845.55 and 7,486,202.10

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Solution

The fourth proportional to 14,652,563.70, 21,978,845.55 and 7,486,202.10 is: 11,229,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,563.70 : 21,978,845.55 = 7,486,202.10 : x
  2. Step 2: Convert to fraction form
    14,652,563.70/21,978,845.55 = 7,486,202.10/x
  3. Step 3: Cross multiply
    14,652,563.70x = 21,978,845.55 × 7,486,202.10
  4. Step 4: Simplify right side
    14,652,563.70x = 164,538,079,711,985.66
  5. Step 5: Solve for x
    x = 164,538,079,711,985.66/14,652,563.70
  6. Step 6: Final answer
    x = 11,229,303.15

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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.