Home / 13,590,768.88-18,755,263.88-7,479,197.36

Finding the Fourth Proportional to 13,590,768.88, 18,755,263.88 and 7,479,197.36

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Solution

The fourth proportional to 13,590,768.88, 18,755,263.88 and 7,479,197.36 is: 10,321,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,768.88 : 18,755,263.88 = 7,479,197.36 : x
  2. Step 2: Convert to fraction form
    13,590,768.88/18,755,263.88 = 7,479,197.36/x
  3. Step 3: Cross multiply
    13,590,768.88x = 18,755,263.88 × 7,479,197.36
  4. Step 4: Simplify right side
    13,590,768.88x = 140,274,320,097,399.36
  5. Step 5: Solve for x
    x = 140,274,320,097,399.36/13,590,768.88
  6. Step 6: Final answer
    x = 10,321,293.91

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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.