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Finding the Fourth Proportional to 14,679,914.60, 22,019,871.90 and 12,554,150.60

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Solution

The fourth proportional to 14,679,914.60, 22,019,871.90 and 12,554,150.60 is: 18,831,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679,914.60 : 22,019,871.90 = 12,554,150.60 : x
  2. Step 2: Convert to fraction form
    14,679,914.60/22,019,871.90 = 12,554,150.60/x
  3. Step 3: Cross multiply
    14,679,914.60x = 22,019,871.90 × 12,554,150.60
  4. Step 4: Simplify right side
    14,679,914.60x = 276,440,788,025,308.12
  5. Step 5: Solve for x
    x = 276,440,788,025,308.12/14,679,914.60
  6. Step 6: Final answer
    x = 18,831,225.90

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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.