Finding the Fourth Proportional to 14,230,220.68, 19,637,680.26 and 7,703,847.64
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Solution
The fourth proportional to 14,230,220.68, 19,637,680.26 and 7,703,847.64 is: 10,631,296.60
Step by Step Solution
- Step 1: Write the proportion equation
14,230,220.68 : 19,637,680.26 = 7,703,847.64 : x - Step 2: Convert to fraction form
14,230,220.68/19,637,680.26 = 7,703,847.64/x - Step 3: Cross multiply
14,230,220.68x = 19,637,680.26 × 7,703,847.64 - Step 4: Simplify right side
14,230,220.68x = 151,285,696,726,075.59 - Step 5: Solve for x
x = 151,285,696,726,075.59/14,230,220.68 - Step 6: Final answer
x = 10,631,296.60
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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.