Home / 31,505,617.80-47,258,426.70-10,230,481.80

Finding the Fourth Proportional to 31,505,617.80, 47,258,426.70 and 10,230,481.80

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Solution

The fourth proportional to 31,505,617.80, 47,258,426.70 and 10,230,481.80 is: 15,345,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505,617.80 : 47,258,426.70 = 10,230,481.80 : x
  2. Step 2: Convert to fraction form
    31,505,617.80/47,258,426.70 = 10,230,481.80/x
  3. Step 3: Cross multiply
    31,505,617.80x = 47,258,426.70 × 10,230,481.80
  4. Step 4: Simplify right side
    31,505,617.80x = 483,476,474,250,984.12
  5. Step 5: Solve for x
    x = 483,476,474,250,984.12/31,505,617.80
  6. Step 6: Final answer
    x = 15,345,722.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.