Finding the Fourth Proportional to 33,173,916.36, 45,778,755.96 and 19,235,859.66
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Solution
The fourth proportional to 33,173,916.36, 45,778,755.96 and 19,235,859.66 is: 26,544,762.32
Step by Step Solution
- Step 1: Write the proportion equation
33,173,916.36 : 45,778,755.96 = 19,235,859.66 : x - Step 2: Convert to fraction form
33,173,916.36/45,778,755.96 = 19,235,859.66/x - Step 3: Cross multiply
33,173,916.36x = 45,778,755.96 × 19,235,859.66 - Step 4: Simplify right side
33,173,916.36x = 880,593,725,055,948.62 - Step 5: Solve for x
x = 880,593,725,055,948.62/33,173,916.36 - Step 6: Final answer
x = 26,544,762.32
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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.