Finding the Fourth Proportional to 14,218,355.49, 19,621,886.88 and 8,337,172.29
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Solution
The fourth proportional to 14,218,355.49, 19,621,886.88 and 8,337,172.29 is: 11,505,623.96
Step by Step Solution
- Step 1: Write the proportion equation
14,218,355.49 : 19,621,886.88 = 8,337,172.29 : x - Step 2: Convert to fraction form
14,218,355.49/19,621,886.88 = 8,337,172.29/x - Step 3: Cross multiply
14,218,355.49x = 19,621,886.88 × 8,337,172.29 - Step 4: Simplify right side
14,218,355.49x = 163,591,051,573,450.56 - Step 5: Solve for x
x = 163,591,051,573,450.56/14,218,355.49 - Step 6: Final answer
x = 11,505,623.96
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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.