Home / 30,189,997.98-41,661,060.36-18,448,898.94

Finding the Fourth Proportional to 30,189,997.98, 41,661,060.36 and 18,448,898.94

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Solution

The fourth proportional to 30,189,997.98, 41,661,060.36 and 18,448,898.94 is: 25,458,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189,997.98 : 41,661,060.36 = 18,448,898.94 : x
  2. Step 2: Convert to fraction form
    30,189,997.98/41,661,060.36 = 18,448,898.94/x
  3. Step 3: Cross multiply
    30,189,997.98x = 41,661,060.36 × 18,448,898.94
  4. Step 4: Simplify right side
    30,189,997.98x = 768,600,692,314,880.12
  5. Step 5: Solve for x
    x = 768,600,692,314,880.12/30,189,997.98
  6. Step 6: Final answer
    x = 25,458,785.81

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1.5x scale

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.