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Finding the Fourth Proportional to 14,652,016.40, 21,978,024.60 and 6,131,464.40

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Solution

The fourth proportional to 14,652,016.40, 21,978,024.60 and 6,131,464.40 is: 9,197,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,016.40 : 21,978,024.60 = 6,131,464.40 : x
  2. Step 2: Convert to fraction form
    14,652,016.40/21,978,024.60 = 6,131,464.40/x
  3. Step 3: Cross multiply
    14,652,016.40x = 21,978,024.60 × 6,131,464.40
  4. Step 4: Simplify right side
    14,652,016.40x = 134,757,475,417,224.25
  5. Step 5: Solve for x
    x = 134,757,475,417,224.25/14,652,016.40
  6. Step 6: Final answer
    x = 9,197,196.60

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Similar ratio
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1.5x scale

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.