Home / 8,660,213.78-12,993,205.62-2,903,517.05

Finding the Fourth Proportional to 8,660,213.78, 12,993,205.62 and 2,903,517.05

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Solution

The fourth proportional to 8,660,213.78, 12,993,205.62 and 2,903,517.05 is: 4,356,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660,213.78 : 12,993,205.62 = 2,903,517.05 : x
  2. Step 2: Convert to fraction form
    8,660,213.78/12,993,205.62 = 2,903,517.05/x
  3. Step 3: Cross multiply
    8,660,213.78x = 12,993,205.62 × 2,903,517.05
  4. Step 4: Simplify right side
    8,660,213.78x = 37,725,994,051,825.81
  5. Step 5: Solve for x
    x = 37,725,994,051,825.81/8,660,213.78
  6. Step 6: Final answer
    x = 4,356,242.81

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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.