Finding the Fourth Proportional to 28,529,557.68, 39,370,789.62 and 16,306,677.12
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Solution
The fourth proportional to 28,529,557.68, 39,370,789.62 and 16,306,677.12 is: 22,503,214.44
Step by Step Solution
- Step 1: Write the proportion equation
28,529,557.68 : 39,370,789.62 = 16,306,677.12 : x - Step 2: Convert to fraction form
28,529,557.68/39,370,789.62 = 16,306,677.12/x - Step 3: Cross multiply
28,529,557.68x = 39,370,789.62 × 16,306,677.12 - Step 4: Simplify right side
28,529,557.68x = 642,006,754,292,787.38 - Step 5: Solve for x
x = 642,006,754,292,787.38/28,529,557.68 - Step 6: Final answer
x = 22,503,214.44
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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.