Finding the Fourth Proportional to 13,614,021.02, 18,787,352.91 and 7,419,069.44
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Solution
The fourth proportional to 13,614,021.02, 18,787,352.91 and 7,419,069.44 is: 10,238,317.95
Step by Step Solution
- Step 1: Write the proportion equation
13,614,021.02 : 18,787,352.91 = 7,419,069.44 : x - Step 2: Convert to fraction form
13,614,021.02/18,787,352.91 = 7,419,069.44/x - Step 3: Cross multiply
13,614,021.02x = 18,787,352.91 × 7,419,069.44 - Step 4: Simplify right side
13,614,021.02x = 139,384,675,739,139.30 - Step 5: Solve for x
x = 139,384,675,739,139.30/13,614,021.02 - Step 6: Final answer
x = 10,238,317.95
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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.