Home / 16,507,847.40-24,761,771.10-12,728,711.40

Finding the Fourth Proportional to 16,507,847.40, 24,761,771.10 and 12,728,711.40

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Solution

The fourth proportional to 16,507,847.40, 24,761,771.10 and 12,728,711.40 is: 19,093,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507,847.40 : 24,761,771.10 = 12,728,711.40 : x
  2. Step 2: Convert to fraction form
    16,507,847.40/24,761,771.10 = 12,728,711.40/x
  3. Step 3: Cross multiply
    16,507,847.40x = 24,761,771.10 × 12,728,711.40
  4. Step 4: Simplify right side
    16,507,847.40x = 315,185,438,084,760.56
  5. Step 5: Solve for x
    x = 315,185,438,084,760.56/16,507,847.40
  6. Step 6: Final answer
    x = 19,093,067.10

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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.