Home / 11,872,991.63-16,384,789.11-6,716,242.46

Finding the Fourth Proportional to 11,872,991.63, 16,384,789.11 and 6,716,242.46

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Solution

The fourth proportional to 11,872,991.63, 16,384,789.11 and 6,716,242.46 is: 9,268,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872,991.63 : 16,384,789.11 = 6,716,242.46 : x
  2. Step 2: Convert to fraction form
    11,872,991.63/16,384,789.11 = 6,716,242.46/x
  3. Step 3: Cross multiply
    11,872,991.63x = 16,384,789.11 × 6,716,242.46
  4. Step 4: Simplify right side
    11,872,991.63x = 110,044,216,318,727.61
  5. Step 5: Solve for x
    x = 110,044,216,318,727.61/11,872,991.63
  6. Step 6: Final answer
    x = 9,268,448.91

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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.