Home / 36,904,600.80-55,356,901.20-19,685,912.40

Finding the Fourth Proportional to 36,904,600.80, 55,356,901.20 and 19,685,912.40

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Solution

The fourth proportional to 36,904,600.80, 55,356,901.20 and 19,685,912.40 is: 29,528,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,904,600.80 : 55,356,901.20 = 19,685,912.40 : x
  2. Step 2: Convert to fraction form
    36,904,600.80/55,356,901.20 = 19,685,912.40/x
  3. Step 3: Cross multiply
    36,904,600.80x = 55,356,901.20 × 19,685,912.40
  4. Step 4: Simplify right side
    36,904,600.80x = 1,089,751,107,758,654.88
  5. Step 5: Solve for x
    x = 1,089,751,107,758,654.88/36,904,600.80
  6. Step 6: Final answer
    x = 29,528,868.60

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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.