Finding the Fourth Proportional to 29,285,809.92, 40,416,363.08 and 16,233,618.96
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Solution
The fourth proportional to 29,285,809.92, 40,416,363.08 and 16,233,618.96 is: 22,403,472.53
Step by Step Solution
- Step 1: Write the proportion equation
29,285,809.92 : 40,416,363.08 = 16,233,618.96 : x - Step 2: Convert to fraction form
29,285,809.92/40,416,363.08 = 16,233,618.96/x - Step 3: Cross multiply
29,285,809.92x = 40,416,363.08 × 16,233,618.96 - Step 4: Simplify right side
29,285,809.92x = 656,103,837,989,732 - Step 5: Solve for x
x = 656,103,837,989,732/29,285,809.92 - Step 6: Final answer
x = 22,403,472.53
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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.