Finding the Fourth Proportional to 34,751,845.75, 47,787,486.02 and 30,160,195.51
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Solution
The fourth proportional to 34,751,845.75, 47,787,486.02 and 30,160,195.51 is: 41,473,478.32
Step by Step Solution
- Step 1: Write the proportion equation
34,751,845.75 : 47,787,486.02 = 30,160,195.51 : x - Step 2: Convert to fraction form
34,751,845.75/47,787,486.02 = 30,160,195.51/x - Step 3: Cross multiply
34,751,845.75x = 47,787,486.02 × 30,160,195.51 - Step 4: Simplify right side
34,751,845.75x = 1,441,279,921,143,791 - Step 5: Solve for x
x = 1,441,279,921,143,791/34,751,845.75 - Step 6: Final answer
x = 41,473,478.32
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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.