Home / 12,940,466.70-19,413,455.49-3,842,590.62

Finding the Fourth Proportional to 12,940,466.70, 19,413,455.49 and 3,842,590.62

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Solution

The fourth proportional to 12,940,466.70, 19,413,455.49 and 3,842,590.62 is: 5,764,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,466.70 : 19,413,455.49 = 3,842,590.62 : x
  2. Step 2: Convert to fraction form
    12,940,466.70/19,413,455.49 = 3,842,590.62/x
  3. Step 3: Cross multiply
    12,940,466.70x = 19,413,455.49 × 3,842,590.62
  4. Step 4: Simplify right side
    12,940,466.70x = 74,597,961,967,661.50
  5. Step 5: Solve for x
    x = 74,597,961,967,661.50/12,940,466.70
  6. Step 6: Final answer
    x = 5,764,704.14

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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.