Home / 13,103,936.82-18,078,106.23-8,695,741.26

Finding the Fourth Proportional to 13,103,936.82, 18,078,106.23 and 8,695,741.26

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Solution

The fourth proportional to 13,103,936.82, 18,078,106.23 and 8,695,741.26 is: 11,996,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,936.82 : 18,078,106.23 = 8,695,741.26 : x
  2. Step 2: Convert to fraction form
    13,103,936.82/18,078,106.23 = 8,695,741.26/x
  3. Step 3: Cross multiply
    13,103,936.82x = 18,078,106.23 × 8,695,741.26
  4. Step 4: Simplify right side
    13,103,936.82x = 157,202,534,246,874.06
  5. Step 5: Solve for x
    x = 157,202,534,246,874.06/13,103,936.82
  6. Step 6: Final answer
    x = 11,996,588.23

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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.