Home / 13,638,994.49-20,461,186.82-5,003,175.12

Finding the Fourth Proportional to 13,638,994.49, 20,461,186.82 and 5,003,175.12

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Solution

The fourth proportional to 13,638,994.49, 20,461,186.82 and 5,003,175.12 is: 7,505,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,638,994.49 : 20,461,186.82 = 5,003,175.12 : x
  2. Step 2: Convert to fraction form
    13,638,994.49/20,461,186.82 = 5,003,175.12/x
  3. Step 3: Cross multiply
    13,638,994.49x = 20,461,186.82 × 5,003,175.12
  4. Step 4: Simplify right side
    13,638,994.49x = 102,370,900,798,480.05
  5. Step 5: Solve for x
    x = 102,370,900,798,480.05/13,638,994.49
  6. Step 6: Final answer
    x = 7,505,751.32

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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.