Home / 12,126,252.60-18,178,619.79-4,448,131.31

Finding the Fourth Proportional to 12,126,252.60, 18,178,619.79 and 4,448,131.31

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Solution

The fourth proportional to 12,126,252.60, 18,178,619.79 and 4,448,131.31 is: 6,668,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,252.60 : 18,178,619.79 = 4,448,131.31 : x
  2. Step 2: Convert to fraction form
    12,126,252.60/18,178,619.79 = 4,448,131.31/x
  3. Step 3: Cross multiply
    12,126,252.60x = 18,178,619.79 × 4,448,131.31
  4. Step 4: Simplify right side
    12,126,252.60x = 80,860,887,895,565.80
  5. Step 5: Solve for x
    x = 80,860,887,895,565.80/12,126,252.60
  6. Step 6: Final answer
    x = 6,668,250.33

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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.