Home / 13,737,039.50-18,957,151.81-7,542,487.44

Finding the Fourth Proportional to 13,737,039.50, 18,957,151.81 and 7,542,487.44

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Solution

The fourth proportional to 13,737,039.50, 18,957,151.81 and 7,542,487.44 is: 10,408,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737,039.50 : 18,957,151.81 = 7,542,487.44 : x
  2. Step 2: Convert to fraction form
    13,737,039.50/18,957,151.81 = 7,542,487.44/x
  3. Step 3: Cross multiply
    13,737,039.50x = 18,957,151.81 × 7,542,487.44
  4. Step 4: Simplify right side
    13,737,039.50x = 142,984,079,485,055.91
  5. Step 5: Solve for x
    x = 142,984,079,485,055.91/13,737,039.50
  6. Step 6: Final answer
    x = 10,408,653.15

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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.