Home / 30,408,524-41,930,136.48-19,377,800

Finding the Fourth Proportional to 30,408,524, 41,930,136.48 and 19,377,800

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Solution

The fourth proportional to 30,408,524, 41,930,136.48 and 19,377,800 is: 26,719,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408,524 : 41,930,136.48 = 19,377,800 : x
  2. Step 2: Convert to fraction form
    30,408,524/41,930,136.48 = 19,377,800/x
  3. Step 3: Cross multiply
    30,408,524x = 41,930,136.48 × 19,377,800
  4. Step 4: Simplify right side
    30,408,524x = 812,513,798,682,143.88
  5. Step 5: Solve for x
    x = 812,513,798,682,143.88/30,408,524
  6. Step 6: Final answer
    x = 26,719,935.46

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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.