Home / 19,782,379.71-29,622,466.13-13,653,279.41

Finding the Fourth Proportional to 19,782,379.71, 29,622,466.13 and 13,653,279.41

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Solution

The fourth proportional to 19,782,379.71, 29,622,466.13 and 13,653,279.41 is: 20,444,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,379.71 : 29,622,466.13 = 13,653,279.41 : x
  2. Step 2: Convert to fraction form
    19,782,379.71/29,622,466.13 = 13,653,279.41/x
  3. Step 3: Cross multiply
    19,782,379.71x = 29,622,466.13 × 13,653,279.41
  4. Step 4: Simplify right side
    19,782,379.71x = 404,443,806,669,772.62
  5. Step 5: Solve for x
    x = 404,443,806,669,772.62/19,782,379.71
  6. Step 6: Final answer
    x = 20,444,648.85

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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.