Finding the Fourth Proportional to 29,906,186.82, 41,278,216.04 and 19,478,188.09
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Solution
The fourth proportional to 29,906,186.82, 41,278,216.04 and 19,478,188.09 is: 26,884,900.47
Step by Step Solution
- Step 1: Write the proportion equation
29,906,186.82 : 41,278,216.04 = 19,478,188.09 : x - Step 2: Convert to fraction form
29,906,186.82/41,278,216.04 = 19,478,188.09/x - Step 3: Cross multiply
29,906,186.82x = 41,278,216.04 × 19,478,188.09 - Step 4: Simplify right side
29,906,186.82x = 804,024,856,046,775 - Step 5: Solve for x
x = 804,024,856,046,775/29,906,186.82 - Step 6: Final answer
x = 26,884,900.47
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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.