Home / 21,940,447.72-30,267,768.72-14,207,981.44

Finding the Fourth Proportional to 21,940,447.72, 30,267,768.72 and 14,207,981.44

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Solution

The fourth proportional to 21,940,447.72, 30,267,768.72 and 14,207,981.44 is: 19,600,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940,447.72 : 30,267,768.72 = 14,207,981.44 : x
  2. Step 2: Convert to fraction form
    21,940,447.72/30,267,768.72 = 14,207,981.44/x
  3. Step 3: Cross multiply
    21,940,447.72x = 30,267,768.72 × 14,207,981.44
  4. Step 4: Simplify right side
    21,940,447.72x = 430,043,896,203,972.50
  5. Step 5: Solve for x
    x = 430,043,896,203,972.50/21,940,447.72
  6. Step 6: Final answer
    x = 19,600,506.87

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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.