Home / 10,203,765.88-14,081,197.09-5,620,087.25

Finding the Fourth Proportional to 10,203,765.88, 14,081,197.09 and 5,620,087.25

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Solution

The fourth proportional to 10,203,765.88, 14,081,197.09 and 5,620,087.25 is: 7,755,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203,765.88 : 14,081,197.09 = 5,620,087.25 : x
  2. Step 2: Convert to fraction form
    10,203,765.88/14,081,197.09 = 5,620,087.25/x
  3. Step 3: Cross multiply
    10,203,765.88x = 14,081,197.09 × 5,620,087.25
  4. Step 4: Simplify right side
    10,203,765.88x = 79,137,556,272,529.47
  5. Step 5: Solve for x
    x = 79,137,556,272,529.47/10,203,765.88
  6. Step 6: Final answer
    x = 7,755,720.51

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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.