Home / 9,768,906.18-13,481,918.24-5,419,393.59

Finding the Fourth Proportional to 9,768,906.18, 13,481,918.24 and 5,419,393.59

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Solution

The fourth proportional to 9,768,906.18, 13,481,918.24 and 5,419,393.59 is: 7,479,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768,906.18 : 13,481,918.24 = 5,419,393.59 : x
  2. Step 2: Convert to fraction form
    9,768,906.18/13,481,918.24 = 5,419,393.59/x
  3. Step 3: Cross multiply
    9,768,906.18x = 13,481,918.24 × 5,419,393.59
  4. Step 4: Simplify right side
    9,768,906.18x = 73,063,821,314,220.30
  5. Step 5: Solve for x
    x = 73,063,821,314,220.30/9,768,906.18
  6. Step 6: Final answer
    x = 7,479,222.34

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1.5x scale

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.