Home / 9,120,187.89-13,672,555.34-3,998,736.45

Finding the Fourth Proportional to 9,120,187.89, 13,672,555.34 and 3,998,736.45

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Solution

The fourth proportional to 9,120,187.89, 13,672,555.34 and 3,998,736.45 is: 5,994,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,187.89 : 13,672,555.34 = 3,998,736.45 : x
  2. Step 2: Convert to fraction form
    9,120,187.89/13,672,555.34 = 3,998,736.45/x
  3. Step 3: Cross multiply
    9,120,187.89x = 13,672,555.34 × 3,998,736.45
  4. Step 4: Simplify right side
    9,120,187.89x = 54,672,945,382,706.47
  5. Step 5: Solve for x
    x = 54,672,945,382,706.47/9,120,187.89
  6. Step 6: Final answer
    x = 5,994,717.00

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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.