Home / 23,003,151.70-31,743,838.16-12,689,872.06

Finding the Fourth Proportional to 23,003,151.70, 31,743,838.16 and 12,689,872.06

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Solution

The fourth proportional to 23,003,151.70, 31,743,838.16 and 12,689,872.06 is: 17,511,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,003,151.70 : 31,743,838.16 = 12,689,872.06 : x
  2. Step 2: Convert to fraction form
    23,003,151.70/31,743,838.16 = 12,689,872.06/x
  3. Step 3: Cross multiply
    23,003,151.70x = 31,743,838.16 × 12,689,872.06
  4. Step 4: Simplify right side
    23,003,151.70x = 402,825,244,943,745.81
  5. Step 5: Solve for x
    x = 402,825,244,943,745.81/23,003,151.70
  6. Step 6: Final answer
    x = 17,511,741.44

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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.