Home / 14,687,245.42-20,259,954.49-9,171,043.36

Finding the Fourth Proportional to 14,687,245.42, 20,259,954.49 and 9,171,043.36

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Solution

The fourth proportional to 14,687,245.42, 20,259,954.49 and 9,171,043.36 is: 12,650,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,245.42 : 20,259,954.49 = 9,171,043.36 : x
  2. Step 2: Convert to fraction form
    14,687,245.42/20,259,954.49 = 9,171,043.36/x
  3. Step 3: Cross multiply
    14,687,245.42x = 20,259,954.49 × 9,171,043.36
  4. Step 4: Simplify right side
    14,687,245.42x = 185,804,921,099,416.66
  5. Step 5: Solve for x
    x = 185,804,921,099,416.66/14,687,245.42
  6. Step 6: Final answer
    x = 12,650,767.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.