Home / 14,218,129.77-19,620,975.24-7,691,757.51

Finding the Fourth Proportional to 14,218,129.77, 19,620,975.24 and 7,691,757.51

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Solution

The fourth proportional to 14,218,129.77, 19,620,975.24 and 7,691,757.51 is: 10,614,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218,129.77 : 19,620,975.24 = 7,691,757.51 : x
  2. Step 2: Convert to fraction form
    14,218,129.77/19,620,975.24 = 7,691,757.51/x
  3. Step 3: Cross multiply
    14,218,129.77x = 19,620,975.24 × 7,691,757.51
  4. Step 4: Simplify right side
    14,218,129.77x = 150,919,783,655,794.03
  5. Step 5: Solve for x
    x = 150,919,783,655,794.03/14,218,129.77
  6. Step 6: Final answer
    x = 10,614,601.65

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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.