Finding the Fourth Proportional to 13,643,427.24, 18,827,891.10 and 7,531,812
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Solution
The fourth proportional to 13,643,427.24, 18,827,891.10 and 7,531,812 is: 10,393,879.31
Step by Step Solution
- Step 1: Write the proportion equation
13,643,427.24 : 18,827,891.10 = 7,531,812 : x - Step 2: Convert to fraction form
13,643,427.24/18,827,891.10 = 7,531,812/x - Step 3: Cross multiply
13,643,427.24x = 18,827,891.10 × 7,531,812 - Step 4: Simplify right side
13,643,427.24x = 141,808,136,121,673.22 - Step 5: Solve for x
x = 141,808,136,121,673.22/13,643,427.24 - Step 6: Final answer
x = 10,393,879.31
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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.