Home / 19,172,072.44-28,758,112.80-4,795,141.69

Finding the Fourth Proportional to 19,172,072.44, 28,758,112.80 and 4,795,141.69

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Solution

The fourth proportional to 19,172,072.44, 28,758,112.80 and 4,795,141.69 is: 7,192,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,072.44 : 28,758,112.80 = 4,795,141.69 : x
  2. Step 2: Convert to fraction form
    19,172,072.44/28,758,112.80 = 4,795,141.69/x
  3. Step 3: Cross multiply
    19,172,072.44x = 28,758,112.80 × 4,795,141.69
  4. Step 4: Simplify right side
    19,172,072.44x = 137,899,225,613,002.64
  5. Step 5: Solve for x
    x = 137,899,225,613,002.64/19,172,072.44
  6. Step 6: Final answer
    x = 7,192,713.57

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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.