Finding the Fourth Proportional to 7,079,272.48, 9,763,845.94 and 4,845,374.09
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Solution
The fourth proportional to 7,079,272.48, 9,763,845.94 and 4,845,374.09 is: 6,682,817.52
Step by Step Solution
- Step 1: Write the proportion equation
7,079,272.48 : 9,763,845.94 = 4,845,374.09 : x - Step 2: Convert to fraction form
7,079,272.48/9,763,845.94 = 4,845,374.09/x - Step 3: Cross multiply
7,079,272.48x = 9,763,845.94 × 4,845,374.09 - Step 4: Simplify right side
7,079,272.48x = 47,309,486,136,427.69 - Step 5: Solve for x
x = 47,309,486,136,427.69/7,079,272.48 - Step 6: Final answer
x = 6,682,817.52
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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.