Home / 19,110,167.20-28,665,250.80-5,646,800.80

Finding the Fourth Proportional to 19,110,167.20, 28,665,250.80 and 5,646,800.80

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Solution

The fourth proportional to 19,110,167.20, 28,665,250.80 and 5,646,800.80 is: 8,470,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110,167.20 : 28,665,250.80 = 5,646,800.80 : x
  2. Step 2: Convert to fraction form
    19,110,167.20/28,665,250.80 = 5,646,800.80/x
  3. Step 3: Cross multiply
    19,110,167.20x = 28,665,250.80 × 5,646,800.80
  4. Step 4: Simplify right side
    19,110,167.20x = 161,866,961,149,640.62
  5. Step 5: Solve for x
    x = 161,866,961,149,640.62/19,110,167.20
  6. Step 6: Final answer
    x = 8,470,201.20

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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.