Home / 7,147,131.66-9,858,053.70-4,698,960.12

Finding the Fourth Proportional to 7,147,131.66, 9,858,053.70 and 4,698,960.12

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Solution

The fourth proportional to 7,147,131.66, 9,858,053.70 and 4,698,960.12 is: 6,481,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,131.66 : 9,858,053.70 = 4,698,960.12 : x
  2. Step 2: Convert to fraction form
    7,147,131.66/9,858,053.70 = 4,698,960.12/x
  3. Step 3: Cross multiply
    7,147,131.66x = 9,858,053.70 × 4,698,960.12
  4. Step 4: Simplify right side
    7,147,131.66x = 46,322,601,197,118.45
  5. Step 5: Solve for x
    x = 46,322,601,197,118.45/7,147,131.66
  6. Step 6: Final answer
    x = 6,481,285.56

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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.