Home / 12,789,025.85-19,183,538.78-12,789,025.85

Finding the Fourth Proportional to 12,789,025.85, 19,183,538.78 and 12,789,025.85

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Solution

The fourth proportional to 12,789,025.85, 19,183,538.78 and 12,789,025.85 is: 19,183,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,025.85 : 19,183,538.78 = 12,789,025.85 : x
  2. Step 2: Convert to fraction form
    12,789,025.85/19,183,538.78 = 12,789,025.85/x
  3. Step 3: Cross multiply
    12,789,025.85x = 19,183,538.78 × 12,789,025.85
  4. Step 4: Simplify right side
    12,789,025.85x = 245,338,773,351,897.47
  5. Step 5: Solve for x
    x = 245,338,773,351,897.47/12,789,025.85
  6. Step 6: Final answer
    x = 19,183,538.78

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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.