Home / 12,497,893.85-18,728,499.83-7,043,606.91

Finding the Fourth Proportional to 12,497,893.85, 18,728,499.83 and 7,043,606.91

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Solution

The fourth proportional to 12,497,893.85, 18,728,499.83 and 7,043,606.91 is: 10,555,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497,893.85 : 18,728,499.83 = 7,043,606.91 : x
  2. Step 2: Convert to fraction form
    12,497,893.85/18,728,499.83 = 7,043,606.91/x
  3. Step 3: Cross multiply
    12,497,893.85x = 18,728,499.83 × 7,043,606.91
  4. Step 4: Simplify right side
    12,497,893.85x = 131,916,190,843,034.94
  5. Step 5: Solve for x
    x = 131,916,190,843,034.94/12,497,893.85
  6. Step 6: Final answer
    x = 10,555,073.72

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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.