Home / 9,120,403.88-12,586,317.73-4,990,796.27

Finding the Fourth Proportional to 9,120,403.88, 12,586,317.73 and 4,990,796.27

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Solution

The fourth proportional to 9,120,403.88, 12,586,317.73 and 4,990,796.27 is: 6,887,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,403.88 : 12,586,317.73 = 4,990,796.27 : x
  2. Step 2: Convert to fraction form
    9,120,403.88/12,586,317.73 = 4,990,796.27/x
  3. Step 3: Cross multiply
    9,120,403.88x = 12,586,317.73 × 4,990,796.27
  4. Step 4: Simplify right side
    9,120,403.88x = 62,815,747,504,510.28
  5. Step 5: Solve for x
    x = 62,815,747,504,510.28/9,120,403.88
  6. Step 6: Final answer
    x = 6,887,386.61

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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.