Home / 15,797,022.59-21,716,195.07-13,583,780.21

Finding the Fourth Proportional to 15,797,022.59, 21,716,195.07 and 13,583,780.21

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Solution

The fourth proportional to 15,797,022.59, 21,716,195.07 and 13,583,780.21 is: 18,673,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797,022.59 : 21,716,195.07 = 13,583,780.21 : x
  2. Step 2: Convert to fraction form
    15,797,022.59/21,716,195.07 = 13,583,780.21/x
  3. Step 3: Cross multiply
    15,797,022.59x = 21,716,195.07 × 13,583,780.21
  4. Step 4: Simplify right side
    15,797,022.59x = 294,988,020,857,186.44
  5. Step 5: Solve for x
    x = 294,988,020,857,186.44/15,797,022.59
  6. Step 6: Final answer
    x = 18,673,646.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.