Home / 21,494,450.07-29,662,045.83-12,201,939.05

Finding the Fourth Proportional to 21,494,450.07, 29,662,045.83 and 12,201,939.05

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Solution

The fourth proportional to 21,494,450.07, 29,662,045.83 and 12,201,939.05 is: 16,838,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494,450.07 : 29,662,045.83 = 12,201,939.05 : x
  2. Step 2: Convert to fraction form
    21,494,450.07/29,662,045.83 = 12,201,939.05/x
  3. Step 3: Cross multiply
    21,494,450.07x = 29,662,045.83 × 12,201,939.05
  4. Step 4: Simplify right side
    21,494,450.07x = 361,934,475,167,656.44
  5. Step 5: Solve for x
    x = 361,934,475,167,656.44/21,494,450.07
  6. Step 6: Final answer
    x = 16,838,508.27

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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.