Finding the Fourth Proportional to 29,906,176.80, 41,278,202.22 and 19,478,178.08
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Solution
The fourth proportional to 29,906,176.80, 41,278,202.22 and 19,478,178.08 is: 26,884,886.65
Step by Step Solution
- Step 1: Write the proportion equation
29,906,176.80 : 41,278,202.22 = 19,478,178.08 : x - Step 2: Convert to fraction form
29,906,176.80/41,278,202.22 = 19,478,178.08/x - Step 3: Cross multiply
29,906,176.80x = 41,278,202.22 × 19,478,178.08 - Step 4: Simplify right side
29,906,176.80x = 804,024,173,457,020.25 - Step 5: Solve for x
x = 804,024,173,457,020.25/29,906,176.80 - Step 6: Final answer
x = 26,884,886.65
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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.