Finding the Fourth Proportional to 11,629,348.96, 16,041,699.12 and 7,557,679.84
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Solution
The fourth proportional to 11,629,348.96, 16,041,699.12 and 7,557,679.84 is: 10,425,177.41
Step by Step Solution
- Step 1: Write the proportion equation
11,629,348.96 : 16,041,699.12 = 7,557,679.84 : x - Step 2: Convert to fraction form
11,629,348.96/16,041,699.12 = 7,557,679.84/x - Step 3: Cross multiply
11,629,348.96x = 16,041,699.12 × 7,557,679.84 - Step 4: Simplify right side
11,629,348.96x = 121,238,026,038,569.73 - Step 5: Solve for x
x = 121,238,026,038,569.73/11,629,348.96 - Step 6: Final answer
x = 10,425,177.41
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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.