Home / 7,938,379.86-10,961,134.91-6,099,940.27

Finding the Fourth Proportional to 7,938,379.86, 10,961,134.91 and 6,099,940.27

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Solution

The fourth proportional to 7,938,379.86, 10,961,134.91 and 6,099,940.27 is: 8,422,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,379.86 : 10,961,134.91 = 6,099,940.27 : x
  2. Step 2: Convert to fraction form
    7,938,379.86/10,961,134.91 = 6,099,940.27/x
  3. Step 3: Cross multiply
    7,938,379.86x = 10,961,134.91 × 6,099,940.27
  4. Step 4: Simplify right side
    7,938,379.86x = 66,862,268,242,411.82
  5. Step 5: Solve for x
    x = 66,862,268,242,411.82/7,938,379.86
  6. Step 6: Final answer
    x = 8,422,659.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.