Finding the Fourth Proportional to 29,465,005.35, 40,662,625.29 and 16,908,359.43
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Solution
The fourth proportional to 29,465,005.35, 40,662,625.29 and 16,908,359.43 is: 23,334,062.75
Step by Step Solution
- Step 1: Write the proportion equation
29,465,005.35 : 40,662,625.29 = 16,908,359.43 : x - Step 2: Convert to fraction form
29,465,005.35/40,662,625.29 = 16,908,359.43/x - Step 3: Cross multiply
29,465,005.35x = 40,662,625.29 × 16,908,359.43 - Step 4: Simplify right side
29,465,005.35x = 687,538,283,770,728 - Step 5: Solve for x
x = 687,538,283,770,728/29,465,005.35 - Step 6: Final answer
x = 23,334,062.75
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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.