Finding the Fourth Proportional to 14,014,290.87, 19,339,723.22 and 7,902,720.99
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Solution
The fourth proportional to 14,014,290.87, 19,339,723.22 and 7,902,720.99 is: 10,905,755.99
Step by Step Solution
- Step 1: Write the proportion equation
14,014,290.87 : 19,339,723.22 = 7,902,720.99 : x - Step 2: Convert to fraction form
14,014,290.87/19,339,723.22 = 7,902,720.99/x - Step 3: Cross multiply
14,014,290.87x = 19,339,723.22 × 7,902,720.99 - Step 4: Simplify right side
14,014,290.87x = 152,836,436,591,970.78 - Step 5: Solve for x
x = 152,836,436,591,970.78/14,014,290.87 - Step 6: Final answer
x = 10,905,755.99
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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.