Finding the Fourth Proportional to 29,442,845.10, 40,631,838.30 and 16,390,986.24
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Solution
The fourth proportional to 29,442,845.10, 40,631,838.30 and 16,390,986.24 is: 22,619,957.42
Step by Step Solution
- Step 1: Write the proportion equation
29,442,845.10 : 40,631,838.30 = 16,390,986.24 : x - Step 2: Convert to fraction form
29,442,845.10/40,631,838.30 = 16,390,986.24/x - Step 3: Cross multiply
29,442,845.10x = 40,631,838.30 × 16,390,986.24 - Step 4: Simplify right side
29,442,845.10x = 665,995,902,481,205 - Step 5: Solve for x
x = 665,995,902,481,205/29,442,845.10 - Step 6: Final answer
x = 22,619,957.42
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1.5x scale
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.