Finding the Fourth Proportional to 32,580,186.40, 48,897,835.80 and 13,424,690.80
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Solution
The fourth proportional to 32,580,186.40, 48,897,835.80 and 13,424,690.80 is: 20,148,390.75
Step by Step Solution
- Step 1: Write the proportion equation
32,580,186.40 : 48,897,835.80 = 13,424,690.80 : x - Step 2: Convert to fraction form
32,580,186.40/48,897,835.80 = 13,424,690.80/x - Step 3: Cross multiply
32,580,186.40x = 48,897,835.80 × 13,424,690.80 - Step 4: Simplify right side
32,580,186.40x = 656,438,326,404,170.62 - Step 5: Solve for x
x = 656,438,326,404,170.62/32,580,186.40 - Step 6: Final answer
x = 20,148,390.75
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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.