Home / 18,503,584.88-27,642,921.28-11,973,461.96

Finding the Fourth Proportional to 18,503,584.88, 27,642,921.28 and 11,973,461.96

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Solution

The fourth proportional to 18,503,584.88, 27,642,921.28 and 11,973,461.96 is: 17,887,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503,584.88 : 27,642,921.28 = 11,973,461.96 : x
  2. Step 2: Convert to fraction form
    18,503,584.88/27,642,921.28 = 11,973,461.96/x
  3. Step 3: Cross multiply
    18,503,584.88x = 27,642,921.28 × 11,973,461.96
  4. Step 4: Simplify right side
    18,503,584.88x = 330,981,466,409,354.56
  5. Step 5: Solve for x
    x = 330,981,466,409,354.56/18,503,584.88
  6. Step 6: Final answer
    x = 17,887,423.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.