Home / 9,623,107.82-13,279,899.04-5,212,843.72

Finding the Fourth Proportional to 9,623,107.82, 13,279,899.04 and 5,212,843.72

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Solution

The fourth proportional to 9,623,107.82, 13,279,899.04 and 5,212,843.72 is: 7,193,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623,107.82 : 13,279,899.04 = 5,212,843.72 : x
  2. Step 2: Convert to fraction form
    9,623,107.82/13,279,899.04 = 5,212,843.72/x
  3. Step 3: Cross multiply
    9,623,107.82x = 13,279,899.04 × 5,212,843.72
  4. Step 4: Simplify right side
    9,623,107.82x = 69,226,038,312,898.02
  5. Step 5: Solve for x
    x = 69,226,038,312,898.02/9,623,107.82
  6. Step 6: Final answer
    x = 7,193,729.89

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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.