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Finding the Fourth Proportional to 14,652,046.60, 21,978,069.90 and 10,825,671.40

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Solution

The fourth proportional to 14,652,046.60, 21,978,069.90 and 10,825,671.40 is: 16,238,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,046.60 : 21,978,069.90 = 10,825,671.40 : x
  2. Step 2: Convert to fraction form
    14,652,046.60/21,978,069.90 = 10,825,671.40/x
  3. Step 3: Cross multiply
    14,652,046.60x = 21,978,069.90 × 10,825,671.40
  4. Step 4: Simplify right side
    14,652,046.60x = 237,927,362,743,630.84
  5. Step 5: Solve for x
    x = 237,927,362,743,630.84/14,652,046.60
  6. Step 6: Final answer
    x = 16,238,507.10

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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.