Home / 14,987,078.75-20,682,669.45-9,184,739.33

Finding the Fourth Proportional to 14,987,078.75, 20,682,669.45 and 9,184,739.33

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Solution

The fourth proportional to 14,987,078.75, 20,682,669.45 and 9,184,739.33 is: 12,675,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,078.75 : 20,682,669.45 = 9,184,739.33 : x
  2. Step 2: Convert to fraction form
    14,987,078.75/20,682,669.45 = 9,184,739.33/x
  3. Step 3: Cross multiply
    14,987,078.75x = 20,682,669.45 × 9,184,739.33
  4. Step 4: Simplify right side
    14,987,078.75x = 189,964,927,443,391.09
  5. Step 5: Solve for x
    x = 189,964,927,443,391.09/14,987,078.75
  6. Step 6: Final answer
    x = 12,675,247.17

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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.