Home / 19,940,169.12-29,910,253.68-4,794,100.80

Finding the Fourth Proportional to 19,940,169.12, 29,910,253.68 and 4,794,100.80

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Solution

The fourth proportional to 19,940,169.12, 29,910,253.68 and 4,794,100.80 is: 7,191,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940,169.12 : 29,910,253.68 = 4,794,100.80 : x
  2. Step 2: Convert to fraction form
    19,940,169.12/29,910,253.68 = 4,794,100.80/x
  3. Step 3: Cross multiply
    19,940,169.12x = 29,910,253.68 × 4,794,100.80
  4. Step 4: Simplify right side
    19,940,169.12x = 143,392,771,095,490.94
  5. Step 5: Solve for x
    x = 143,392,771,095,490.94/19,940,169.12
  6. Step 6: Final answer
    x = 7,191,151.20

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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.