Home / 27,819,285.20-41,672,940.60-19,309,230.80

Finding the Fourth Proportional to 27,819,285.20, 41,672,940.60 and 19,309,230.80

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Solution

The fourth proportional to 27,819,285.20, 41,672,940.60 and 19,309,230.80 is: 28,924,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819,285.20 : 41,672,940.60 = 19,309,230.80 : x
  2. Step 2: Convert to fraction form
    27,819,285.20/41,672,940.60 = 19,309,230.80/x
  3. Step 3: Cross multiply
    27,819,285.20x = 41,672,940.60 × 19,309,230.80
  4. Step 4: Simplify right side
    27,819,285.20x = 804,672,428,160,090.50
  5. Step 5: Solve for x
    x = 804,672,428,160,090.50/27,819,285.20
  6. Step 6: Final answer
    x = 28,924,985.76

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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.