Finding the Fourth Proportional to 14,461,187.49, 19,957,063.59 and 8,658,861.44
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Solution
The fourth proportional to 14,461,187.49, 19,957,063.59 and 8,658,861.44 is: 11,949,602.92
Step by Step Solution
- Step 1: Write the proportion equation
14,461,187.49 : 19,957,063.59 = 8,658,861.44 : x - Step 2: Convert to fraction form
14,461,187.49/19,957,063.59 = 8,658,861.44/x - Step 3: Cross multiply
14,461,187.49x = 19,957,063.59 × 8,658,861.44 - Step 4: Simplify right side
14,461,187.49x = 172,805,448,275,293.66 - Step 5: Solve for x
x = 172,805,448,275,293.66/14,461,187.49 - Step 6: Final answer
x = 11,949,602.92
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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.