Home / 18,720,891.09-25,834,334.09-10,461,021.26

Finding the Fourth Proportional to 18,720,891.09, 25,834,334.09 and 10,461,021.26

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Solution

The fourth proportional to 18,720,891.09, 25,834,334.09 and 10,461,021.26 is: 14,435,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,891.09 : 25,834,334.09 = 10,461,021.26 : x
  2. Step 2: Convert to fraction form
    18,720,891.09/25,834,334.09 = 10,461,021.26/x
  3. Step 3: Cross multiply
    18,720,891.09x = 25,834,334.09 × 10,461,021.26
  4. Step 4: Simplify right side
    18,720,891.09x = 270,253,517,971,956
  5. Step 5: Solve for x
    x = 270,253,517,971,956/18,720,891.09
  6. Step 6: Final answer
    x = 14,435,932.39

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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.