Home / 14,394,078.39-21,594,899.03-5,172,981.88

Finding the Fourth Proportional to 14,394,078.39, 21,594,899.03 and 5,172,981.88

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Solution

The fourth proportional to 14,394,078.39, 21,594,899.03 and 5,172,981.88 is: 7,760,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394,078.39 : 21,594,899.03 = 5,172,981.88 : x
  2. Step 2: Convert to fraction form
    14,394,078.39/21,594,899.03 = 5,172,981.88/x
  3. Step 3: Cross multiply
    14,394,078.39x = 21,594,899.03 × 5,172,981.88
  4. Step 4: Simplify right side
    14,394,078.39x = 111,710,021,382,619.58
  5. Step 5: Solve for x
    x = 111,710,021,382,619.58/14,394,078.39
  6. Step 6: Final answer
    x = 7,760,831.81

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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.