Home / 8,930,576.40-13,378,961.83-5,276,378.25

Finding the Fourth Proportional to 8,930,576.40, 13,378,961.83 and 5,276,378.25

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Solution

The fourth proportional to 8,930,576.40, 13,378,961.83 and 5,276,378.25 is: 7,904,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930,576.40 : 13,378,961.83 = 5,276,378.25 : x
  2. Step 2: Convert to fraction form
    8,930,576.40/13,378,961.83 = 5,276,378.25/x
  3. Step 3: Cross multiply
    8,930,576.40x = 13,378,961.83 × 5,276,378.25
  4. Step 4: Simplify right side
    8,930,576.40x = 70,592,463,150,625.61
  5. Step 5: Solve for x
    x = 70,592,463,150,625.61/8,930,576.40
  6. Step 6: Final answer
    x = 7,904,580.84

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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.