Home / 14,131,764.20-21,172,763.10-11,593,677.80

Finding the Fourth Proportional to 14,131,764.20, 21,172,763.10 and 11,593,677.80

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Solution

The fourth proportional to 14,131,764.20, 21,172,763.10 and 11,593,677.80 is: 17,370,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,764.20 : 21,172,763.10 = 11,593,677.80 : x
  2. Step 2: Convert to fraction form
    14,131,764.20/21,172,763.10 = 11,593,677.80/x
  3. Step 3: Cross multiply
    14,131,764.20x = 21,172,763.10 × 11,593,677.80
  4. Step 4: Simplify right side
    14,131,764.20x = 245,470,193,517,129.22
  5. Step 5: Solve for x
    x = 245,470,193,517,129.22/14,131,764.20
  6. Step 6: Final answer
    x = 17,370,102.56

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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.