Finding the Fourth Proportional to 22,165,686.90, 33,192,543.15 and 14,551,427.70
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Solution
The fourth proportional to 22,165,686.90, 33,192,543.15 and 14,551,427.70 is: 21,790,386.83
Step by Step Solution
- Step 1: Write the proportion equation
22,165,686.90 : 33,192,543.15 = 14,551,427.70 : x - Step 2: Convert to fraction form
22,165,686.90/33,192,543.15 = 14,551,427.70/x - Step 3: Cross multiply
22,165,686.90x = 33,192,543.15 × 14,551,427.70 - Step 4: Simplify right side
22,165,686.90x = 482,998,891,826,355.19 - Step 5: Solve for x
x = 482,998,891,826,355.19/22,165,686.90 - Step 6: Final answer
x = 21,790,386.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.