Home / 26,838,912.80-40,279,364.40-12,463,761.80

Finding the Fourth Proportional to 26,838,912.80, 40,279,364.40 and 12,463,761.80

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Solution

The fourth proportional to 26,838,912.80, 40,279,364.40 and 12,463,761.80 is: 18,705,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838,912.80 : 40,279,364.40 = 12,463,761.80 : x
  2. Step 2: Convert to fraction form
    26,838,912.80/40,279,364.40 = 12,463,761.80/x
  3. Step 3: Cross multiply
    26,838,912.80x = 40,279,364.40 × 12,463,761.80
  4. Step 4: Simplify right side
    26,838,912.80x = 502,032,403,336,999.94
  5. Step 5: Solve for x
    x = 502,032,403,336,999.94/26,838,912.80
  6. Step 6: Final answer
    x = 18,705,392.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.