Home / 9,469,798.98-13,071,855.40-7,372,485.78

Finding the Fourth Proportional to 9,469,798.98, 13,071,855.40 and 7,372,485.78

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Solution

The fourth proportional to 9,469,798.98, 13,071,855.40 and 7,372,485.78 is: 10,176,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469,798.98 : 13,071,855.40 = 7,372,485.78 : x
  2. Step 2: Convert to fraction form
    9,469,798.98/13,071,855.40 = 7,372,485.78/x
  3. Step 3: Cross multiply
    9,469,798.98x = 13,071,855.40 × 7,372,485.78
  4. Step 4: Simplify right side
    9,469,798.98x = 96,372,068,054,716.22
  5. Step 5: Solve for x
    x = 96,372,068,054,716.22/9,469,798.98
  6. Step 6: Final answer
    x = 10,176,780.76

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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.