Finding the Fourth Proportional to 21,347,337.24, 29,458,968.03 and 11,557,702.08
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Solution
The fourth proportional to 21,347,337.24, 29,458,968.03 and 11,557,702.08 is: 15,949,435.39
Step by Step Solution
- Step 1: Write the proportion equation
21,347,337.24 : 29,458,968.03 = 11,557,702.08 : x - Step 2: Convert to fraction form
21,347,337.24/29,458,968.03 = 11,557,702.08/x - Step 3: Cross multiply
21,347,337.24x = 29,458,968.03 × 11,557,702.08 - Step 4: Simplify right side
21,347,337.24x = 340,477,976,074,984.50 - Step 5: Solve for x
x = 340,477,976,074,984.50/21,347,337.24 - Step 6: Final answer
x = 15,949,435.39
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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.