Home / 8,731,173.74-13,086,829.24-5,311,923.17

Finding the Fourth Proportional to 8,731,173.74, 13,086,829.24 and 5,311,923.17

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Solution

The fourth proportional to 8,731,173.74, 13,086,829.24 and 5,311,923.17 is: 7,961,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,173.74 : 13,086,829.24 = 5,311,923.17 : x
  2. Step 2: Convert to fraction form
    8,731,173.74/13,086,829.24 = 5,311,923.17/x
  3. Step 3: Cross multiply
    8,731,173.74x = 13,086,829.24 × 5,311,923.17
  4. Step 4: Simplify right side
    8,731,173.74x = 69,516,231,383,075.54
  5. Step 5: Solve for x
    x = 69,516,231,383,075.54/8,731,173.74
  6. Step 6: Final answer
    x = 7,961,842.64

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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.