Home / 12,611,859.47-18,917,789.46-3,027,238.01

Finding the Fourth Proportional to 12,611,859.47, 18,917,789.46 and 3,027,238.01

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Solution

The fourth proportional to 12,611,859.47, 18,917,789.46 and 3,027,238.01 is: 4,540,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,859.47 : 18,917,789.46 = 3,027,238.01 : x
  2. Step 2: Convert to fraction form
    12,611,859.47/18,917,789.46 = 3,027,238.01/x
  3. Step 3: Cross multiply
    12,611,859.47x = 18,917,789.46 × 3,027,238.01
  4. Step 4: Simplify right side
    12,611,859.47x = 57,268,651,318,489.38
  5. Step 5: Solve for x
    x = 57,268,651,318,489.38/12,611,859.47
  6. Step 6: Final answer
    x = 4,540,857.08

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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.