Home / 13,580,869.88-18,741,507.09-7,701,614.48

Finding the Fourth Proportional to 13,580,869.88, 18,741,507.09 and 7,701,614.48

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Solution

The fourth proportional to 13,580,869.88, 18,741,507.09 and 7,701,614.48 is: 10,628,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,869.88 : 18,741,507.09 = 7,701,614.48 : x
  2. Step 2: Convert to fraction form
    13,580,869.88/18,741,507.09 = 7,701,614.48/x
  3. Step 3: Cross multiply
    13,580,869.88x = 18,741,507.09 × 7,701,614.48
  4. Step 4: Simplify right side
    13,580,869.88x = 144,339,862,381,366.66
  5. Step 5: Solve for x
    x = 144,339,862,381,366.66/13,580,869.88
  6. Step 6: Final answer
    x = 10,628,175.05

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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.