Home / 13,739,941.82-18,960,379.32-7,627,977.02

Finding the Fourth Proportional to 13,739,941.82, 18,960,379.32 and 7,627,977.02

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Solution

The fourth proportional to 13,739,941.82, 18,960,379.32 and 7,627,977.02 is: 10,526,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,941.82 : 18,960,379.32 = 7,627,977.02 : x
  2. Step 2: Convert to fraction form
    13,739,941.82/18,960,379.32 = 7,627,977.02/x
  3. Step 3: Cross multiply
    13,739,941.82x = 18,960,379.32 × 7,627,977.02
  4. Step 4: Simplify right side
    13,739,941.82x = 144,629,337,743,443.22
  5. Step 5: Solve for x
    x = 144,629,337,743,443.22/13,739,941.82
  6. Step 6: Final answer
    x = 10,526,197.25

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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.