Home / 7,961,403.84-11,921,844.57-5,261,683.56

Finding the Fourth Proportional to 7,961,403.84, 11,921,844.57 and 5,261,683.56

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Solution

The fourth proportional to 7,961,403.84, 11,921,844.57 and 5,261,683.56 is: 7,879,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961,403.84 : 11,921,844.57 = 5,261,683.56 : x
  2. Step 2: Convert to fraction form
    7,961,403.84/11,921,844.57 = 5,261,683.56/x
  3. Step 3: Cross multiply
    7,961,403.84x = 11,921,844.57 × 5,261,683.56
  4. Step 4: Simplify right side
    7,961,403.84x = 62,728,973,514,406.05
  5. Step 5: Solve for x
    x = 62,728,973,514,406.05/7,961,403.84
  6. Step 6: Final answer
    x = 7,879,134.74

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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.