Finding the Fourth Proportional to 29,073,259.82, 40,121,102.10 and 16,857,202.70
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Solution
The fourth proportional to 29,073,259.82, 40,121,102.10 and 16,857,202.70 is: 23,262,941.78
Step by Step Solution
- Step 1: Write the proportion equation
29,073,259.82 : 40,121,102.10 = 16,857,202.70 : x - Step 2: Convert to fraction form
29,073,259.82/40,121,102.10 = 16,857,202.70/x - Step 3: Cross multiply
29,073,259.82x = 40,121,102.10 × 16,857,202.70 - Step 4: Simplify right side
29,073,259.82x = 676,329,550,446,490.25 - Step 5: Solve for x
x = 676,329,550,446,490.25/29,073,259.82 - Step 6: Final answer
x = 23,262,941.78
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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.