Home / 21,569,913.12-29,766,682.92-12,277,029.36

Finding the Fourth Proportional to 21,569,913.12, 29,766,682.92 and 12,277,029.36

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Solution

The fourth proportional to 21,569,913.12, 29,766,682.92 and 12,277,029.36 is: 16,942,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569,913.12 : 29,766,682.92 = 12,277,029.36 : x
  2. Step 2: Convert to fraction form
    21,569,913.12/29,766,682.92 = 12,277,029.36/x
  3. Step 3: Cross multiply
    21,569,913.12x = 29,766,682.92 × 12,277,029.36
  4. Step 4: Simplify right side
    21,569,913.12x = 365,446,440,158,650.56
  5. Step 5: Solve for x
    x = 365,446,440,158,650.56/21,569,913.12
  6. Step 6: Final answer
    x = 16,942,415.95

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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.