Home / 13,231,833.88-18,260,372.84-7,431,637.72

Finding the Fourth Proportional to 13,231,833.88, 18,260,372.84 and 7,431,637.72

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Solution

The fourth proportional to 13,231,833.88, 18,260,372.84 and 7,431,637.72 is: 10,255,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,833.88 : 18,260,372.84 = 7,431,637.72 : x
  2. Step 2: Convert to fraction form
    13,231,833.88/18,260,372.84 = 7,431,637.72/x
  3. Step 3: Cross multiply
    13,231,833.88x = 18,260,372.84 × 7,431,637.72
  4. Step 4: Simplify right side
    13,231,833.88x = 135,704,475,579,007.52
  5. Step 5: Solve for x
    x = 135,704,475,579,007.52/13,231,833.88
  6. Step 6: Final answer
    x = 10,255,908.35

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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.