Home / 10,930,415.20-16,395,622.80-7,571,183.20

Finding the Fourth Proportional to 10,930,415.20, 16,395,622.80 and 7,571,183.20

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Solution

The fourth proportional to 10,930,415.20, 16,395,622.80 and 7,571,183.20 is: 11,356,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930,415.20 : 16,395,622.80 = 7,571,183.20 : x
  2. Step 2: Convert to fraction form
    10,930,415.20/16,395,622.80 = 7,571,183.20/x
  3. Step 3: Cross multiply
    10,930,415.20x = 16,395,622.80 × 7,571,183.20
  4. Step 4: Simplify right side
    10,930,415.20x = 124,134,263,896,896.97
  5. Step 5: Solve for x
    x = 124,134,263,896,896.97/10,930,415.20
  6. Step 6: Final answer
    x = 11,356,774.80

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1.5x scale

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.