Home / 12,934,480.40-19,404,485.40-3,959,939.60

Finding the Fourth Proportional to 12,934,480.40, 19,404,485.40 and 3,959,939.60

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Solution

The fourth proportional to 12,934,480.40, 19,404,485.40 and 3,959,939.60 is: 5,940,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,480.40 : 19,404,485.40 = 3,959,939.60 : x
  2. Step 2: Convert to fraction form
    12,934,480.40/19,404,485.40 = 3,959,939.60/x
  3. Step 3: Cross multiply
    12,934,480.40x = 19,404,485.40 × 3,959,939.60
  4. Step 4: Simplify right side
    12,934,480.40x = 76,840,590,153,081.83
  5. Step 5: Solve for x
    x = 76,840,590,153,081.83/12,934,480.40
  6. Step 6: Final answer
    x = 5,940,755.85

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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.