Home / 7,961,910.19-11,942,873.48-1,978,278.19

Finding the Fourth Proportional to 7,961,910.19, 11,942,873.48 and 1,978,278.19

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Solution

The fourth proportional to 7,961,910.19, 11,942,873.48 and 1,978,278.19 is: 2,967,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961,910.19 : 11,942,873.48 = 1,978,278.19 : x
  2. Step 2: Convert to fraction form
    7,961,910.19/11,942,873.48 = 1,978,278.19/x
  3. Step 3: Cross multiply
    7,961,910.19x = 11,942,873.48 × 1,978,278.19
  4. Step 4: Simplify right side
    7,961,910.19x = 23,626,326,106,501.91
  5. Step 5: Solve for x
    x = 23,626,326,106,501.91/7,961,910.19
  6. Step 6: Final answer
    x = 2,967,419.32

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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.