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Finding the Fourth Proportional to 14,652,015.40, 21,978,023.10 and 6,131,463.40

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Solution

The fourth proportional to 14,652,015.40, 21,978,023.10 and 6,131,463.40 is: 9,197,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,015.40 : 21,978,023.10 = 6,131,463.40 : x
  2. Step 2: Convert to fraction form
    14,652,015.40/21,978,023.10 = 6,131,463.40/x
  3. Step 3: Cross multiply
    14,652,015.40x = 21,978,023.10 × 6,131,463.40
  4. Step 4: Simplify right side
    14,652,015.40x = 134,757,444,242,004.56
  5. Step 5: Solve for x
    x = 134,757,444,242,004.56/14,652,015.40
  6. Step 6: Final answer
    x = 9,197,195.10

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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.