Home / 12,940,137-19,408,519.08-3,842,051.76

Finding the Fourth Proportional to 12,940,137, 19,408,519.08 and 3,842,051.76

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Solution

The fourth proportional to 12,940,137, 19,408,519.08 and 3,842,051.76 is: 5,762,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,137 : 19,408,519.08 = 3,842,051.76 : x
  2. Step 2: Convert to fraction form
    12,940,137/19,408,519.08 = 3,842,051.76/x
  3. Step 3: Cross multiply
    12,940,137x = 19,408,519.08 × 3,842,051.76
  4. Step 4: Simplify right side
    12,940,137x = 74,568,534,890,307.56
  5. Step 5: Solve for x
    x = 74,568,534,890,307.56/12,940,137
  6. Step 6: Final answer
    x = 5,762,576.93

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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.