Home / 19,810,668.81-29,718,039.42-6,856,798.35

Finding the Fourth Proportional to 19,810,668.81, 29,718,039.42 and 6,856,798.35

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Solution

The fourth proportional to 19,810,668.81, 29,718,039.42 and 6,856,798.35 is: 10,285,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810,668.81 : 29,718,039.42 = 6,856,798.35 : x
  2. Step 2: Convert to fraction form
    19,810,668.81/29,718,039.42 = 6,856,798.35/x
  3. Step 3: Cross multiply
    19,810,668.81x = 29,718,039.42 × 6,856,798.35
  4. Step 4: Simplify right side
    19,810,668.81x = 203,770,603,660,290.97
  5. Step 5: Solve for x
    x = 203,770,603,660,290.97/19,810,668.81
  6. Step 6: Final answer
    x = 10,285,902.29

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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.