Finding the Fourth Proportional to 11,670,531.42, 17,493,822.09 and 4,480,129.02
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Solution
The fourth proportional to 11,670,531.42, 17,493,822.09 and 4,480,129.02 is: 6,715,596.51
Step by Step Solution
- Step 1: Write the proportion equation
11,670,531.42 : 17,493,822.09 = 4,480,129.02 : x - Step 2: Convert to fraction form
11,670,531.42/17,493,822.09 = 4,480,129.02/x - Step 3: Cross multiply
11,670,531.42x = 17,493,822.09 × 4,480,129.02 - Step 4: Simplify right side
11,670,531.42x = 78,374,580,016,126.05 - Step 5: Solve for x
x = 78,374,580,016,126.05/11,670,531.42 - Step 6: Final answer
x = 6,715,596.51
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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.