Home / 12,216,472.20-18,296,714.70-11,936,536.20

Finding the Fourth Proportional to 12,216,472.20, 18,296,714.70 and 11,936,536.20

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Solution

The fourth proportional to 12,216,472.20, 18,296,714.70 and 11,936,536.20 is: 17,877,452.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,472.20 : 18,296,714.70 = 11,936,536.20 : x
  2. Step 2: Convert to fraction form
    12,216,472.20/18,296,714.70 = 11,936,536.20/x
  3. Step 3: Cross multiply
    12,216,472.20x = 18,296,714.70 × 11,936,536.20
  4. Step 4: Simplify right side
    12,216,472.20x = 218,399,397,357,622.12
  5. Step 5: Solve for x
    x = 218,399,397,357,622.12/12,216,472.20
  6. Step 6: Final answer
    x = 17,877,452.16

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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.