Finding the Fourth Proportional to 32,709,176.08, 45,138,961.48 and 18,025,369.20
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Solution
The fourth proportional to 32,709,176.08, 45,138,961.48 and 18,025,369.20 is: 24,875,173.99
Step by Step Solution
- Step 1: Write the proportion equation
32,709,176.08 : 45,138,961.48 = 18,025,369.20 : x - Step 2: Convert to fraction form
32,709,176.08/45,138,961.48 = 18,025,369.20/x - Step 3: Cross multiply
32,709,176.08x = 45,138,961.48 × 18,025,369.20 - Step 4: Simplify right side
32,709,176.08x = 813,646,445,981,578.38 - Step 5: Solve for x
x = 813,646,445,981,578.38/32,709,176.08 - Step 6: Final answer
x = 24,875,173.99
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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.