Home / 9,912,786.78-13,679,881.58-5,562,194.85

Finding the Fourth Proportional to 9,912,786.78, 13,679,881.58 and 5,562,194.85

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Solution

The fourth proportional to 9,912,786.78, 13,679,881.58 and 5,562,194.85 is: 7,675,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912,786.78 : 13,679,881.58 = 5,562,194.85 : x
  2. Step 2: Convert to fraction form
    9,912,786.78/13,679,881.58 = 5,562,194.85/x
  3. Step 3: Cross multiply
    9,912,786.78x = 13,679,881.58 × 5,562,194.85
  4. Step 4: Simplify right side
    9,912,786.78x = 76,090,166,845,074.88
  5. Step 5: Solve for x
    x = 76,090,166,845,074.88/9,912,786.78
  6. Step 6: Final answer
    x = 7,675,961.21

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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.