Home / 19,412,460.81-29,004,975.72-18,733,564.98

Finding the Fourth Proportional to 19,412,460.81, 29,004,975.72 and 18,733,564.98

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Solution

The fourth proportional to 19,412,460.81, 29,004,975.72 and 18,733,564.98 is: 27,990,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412,460.81 : 29,004,975.72 = 18,733,564.98 : x
  2. Step 2: Convert to fraction form
    19,412,460.81/29,004,975.72 = 18,733,564.98/x
  3. Step 3: Cross multiply
    19,412,460.81x = 29,004,975.72 × 18,733,564.98
  4. Step 4: Simplify right side
    19,412,460.81x = 543,366,597,393,942.25
  5. Step 5: Solve for x
    x = 543,366,597,393,942.25/19,412,460.81
  6. Step 6: Final answer
    x = 27,990,608.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.