Home / 21,351,951.43-29,467,800.62-12,185,965.51

Finding the Fourth Proportional to 21,351,951.43, 29,467,800.62 and 12,185,965.51

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Solution

The fourth proportional to 21,351,951.43, 29,467,800.62 and 12,185,965.51 is: 16,817,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351,951.43 : 29,467,800.62 = 12,185,965.51 : x
  2. Step 2: Convert to fraction form
    21,351,951.43/29,467,800.62 = 12,185,965.51/x
  3. Step 3: Cross multiply
    21,351,951.43x = 29,467,800.62 × 12,185,965.51
  4. Step 4: Simplify right side
    21,351,951.43x = 359,093,602,010,876.62
  5. Step 5: Solve for x
    x = 359,093,602,010,876.62/21,351,951.43
  6. Step 6: Final answer
    x = 16,817,835.28

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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.