Finding the Fourth Proportional to 53,192,047.68, 79,788,093.39 and 12,802,531.68
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Solution
The fourth proportional to 53,192,047.68, 79,788,093.39 and 12,802,531.68 is: 19,203,802.78
Step by Step Solution
- Step 1: Write the proportion equation
53,192,047.68 : 79,788,093.39 = 12,802,531.68 : x - Step 2: Convert to fraction form
53,192,047.68/79,788,093.39 = 12,802,531.68/x - Step 3: Cross multiply
53,192,047.68x = 79,788,093.39 × 12,802,531.68 - Step 4: Simplify right side
53,192,047.68x = 1,021,489,593,312,273.62 - Step 5: Solve for x
x = 1,021,489,593,312,273.62/53,192,047.68 - Step 6: Final answer
x = 19,203,802.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.