Home / 23,111,939.80-31,894,448.16-12,798,650.44

Finding the Fourth Proportional to 23,111,939.80, 31,894,448.16 and 12,798,650.44

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Solution

The fourth proportional to 23,111,939.80, 31,894,448.16 and 12,798,650.44 is: 17,662,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111,939.80 : 31,894,448.16 = 12,798,650.44 : x
  2. Step 2: Convert to fraction form
    23,111,939.80/31,894,448.16 = 12,798,650.44/x
  3. Step 3: Cross multiply
    23,111,939.80x = 31,894,448.16 × 12,798,650.44
  4. Step 4: Simplify right side
    23,111,939.80x = 408,205,893,008,282.38
  5. Step 5: Solve for x
    x = 408,205,893,008,282.38/23,111,939.80
  6. Step 6: Final answer
    x = 17,662,121.68

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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.