Home / 9,798,069.72-13,521,629.64-5,387,566.80

Finding the Fourth Proportional to 9,798,069.72, 13,521,629.64 and 5,387,566.80

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Solution

The fourth proportional to 9,798,069.72, 13,521,629.64 and 5,387,566.80 is: 7,435,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798,069.72 : 13,521,629.64 = 5,387,566.80 : x
  2. Step 2: Convert to fraction form
    9,798,069.72/13,521,629.64 = 5,387,566.80/x
  3. Step 3: Cross multiply
    9,798,069.72x = 13,521,629.64 × 5,387,566.80
  4. Step 4: Simplify right side
    9,798,069.72x = 72,848,682,930,359.95
  5. Step 5: Solve for x
    x = 72,848,682,930,359.95/9,798,069.72
  6. Step 6: Final answer
    x = 7,435,003.53

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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.