Home / 39,192,997.88-54,086,547.22-21,553,037.76

Finding the Fourth Proportional to 39,192,997.88, 54,086,547.22 and 21,553,037.76

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Solution

The fourth proportional to 39,192,997.88, 54,086,547.22 and 21,553,037.76 is: 29,743,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192,997.88 : 54,086,547.22 = 21,553,037.76 : x
  2. Step 2: Convert to fraction form
    39,192,997.88/54,086,547.22 = 21,553,037.76/x
  3. Step 3: Cross multiply
    39,192,997.88x = 54,086,547.22 × 21,553,037.76
  4. Step 4: Simplify right side
    39,192,997.88x = 1,165,729,394,540,683
  5. Step 5: Solve for x
    x = 1,165,729,394,540,683/39,192,997.88
  6. Step 6: Final answer
    x = 29,743,307.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.