Home / 18,517,209.22-27,779,714.03-7,002,421.57

Finding the Fourth Proportional to 18,517,209.22, 27,779,714.03 and 7,002,421.57

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Solution

The fourth proportional to 18,517,209.22, 27,779,714.03 and 7,002,421.57 is: 10,505,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,209.22 : 27,779,714.03 = 7,002,421.57 : x
  2. Step 2: Convert to fraction form
    18,517,209.22/27,779,714.03 = 7,002,421.57/x
  3. Step 3: Cross multiply
    18,517,209.22x = 27,779,714.03 × 7,002,421.57
  4. Step 4: Simplify right side
    18,517,209.22x = 194,525,268,732,103.66
  5. Step 5: Solve for x
    x = 194,525,268,732,103.66/18,517,209.22
  6. Step 6: Final answer
    x = 10,505,107.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.