Home / 19,930,600.20-29,895,900.30-6,467,428.20

Finding the Fourth Proportional to 19,930,600.20, 29,895,900.30 and 6,467,428.20

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Solution

The fourth proportional to 19,930,600.20, 29,895,900.30 and 6,467,428.20 is: 9,701,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930,600.20 : 29,895,900.30 = 6,467,428.20 : x
  2. Step 2: Convert to fraction form
    19,930,600.20/29,895,900.30 = 6,467,428.20/x
  3. Step 3: Cross multiply
    19,930,600.20x = 29,895,900.30 × 6,467,428.20
  4. Step 4: Simplify right side
    19,930,600.20x = 193,349,588,664,608.47
  5. Step 5: Solve for x
    x = 193,349,588,664,608.47/19,930,600.20
  6. Step 6: Final answer
    x = 9,701,142.30

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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.