Home / 21,179,060.52-29,225,874.72-11,885,762.56

Finding the Fourth Proportional to 21,179,060.52, 29,225,874.72 and 11,885,762.56

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Solution

The fourth proportional to 21,179,060.52, 29,225,874.72 and 11,885,762.56 is: 16,401,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,179,060.52 : 29,225,874.72 = 11,885,762.56 : x
  2. Step 2: Convert to fraction form
    21,179,060.52/29,225,874.72 = 11,885,762.56/x
  3. Step 3: Cross multiply
    21,179,060.52x = 29,225,874.72 × 11,885,762.56
  4. Step 4: Simplify right side
    21,179,060.52x = 347,371,807,530,226.50
  5. Step 5: Solve for x
    x = 347,371,807,530,226.50/21,179,060.52
  6. Step 6: Final answer
    x = 16,401,662.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.