Finding the Fourth Proportional to 21,347,192.20, 29,458,773.57 and 11,557,558.12
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Solution
The fourth proportional to 21,347,192.20, 29,458,773.57 and 11,557,558.12 is: 15,949,239.81
Step by Step Solution
- Step 1: Write the proportion equation
21,347,192.20 : 29,458,773.57 = 11,557,558.12 : x - Step 2: Convert to fraction form
21,347,192.20/29,458,773.57 = 11,557,558.12/x - Step 3: Cross multiply
21,347,192.20x = 29,458,773.57 × 11,557,558.12 - Step 4: Simplify right side
21,347,192.20x = 340,471,487,679,194.88 - Step 5: Solve for x
x = 340,471,487,679,194.88/21,347,192.20 - Step 6: Final answer
x = 15,949,239.81
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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.