Finding the Fourth Proportional to 29,072,151.62, 40,121,330.84 and 16,019,394.74
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Solution
The fourth proportional to 29,072,151.62, 40,121,330.84 and 16,019,394.74 is: 22,107,735.42
Step by Step Solution
- Step 1: Write the proportion equation
29,072,151.62 : 40,121,330.84 = 16,019,394.74 : x - Step 2: Convert to fraction form
29,072,151.62/40,121,330.84 = 16,019,394.74/x - Step 3: Cross multiply
29,072,151.62x = 40,121,330.84 × 16,019,394.74 - Step 4: Simplify right side
29,072,151.62x = 642,719,436,220,095.88 - Step 5: Solve for x
x = 642,719,436,220,095.88/29,072,151.62 - Step 6: Final answer
x = 22,107,735.42
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1.5x scale
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.