Finding the Fourth Proportional to 29,910,961.40, 44,866,442.10 and 18,514,455.80
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Solution
The fourth proportional to 29,910,961.40, 44,866,442.10 and 18,514,455.80 is: 27,771,683.70
Step by Step Solution
- Step 1: Write the proportion equation
29,910,961.40 : 44,866,442.10 = 18,514,455.80 : x - Step 2: Convert to fraction form
29,910,961.40/44,866,442.10 = 18,514,455.80/x - Step 3: Cross multiply
29,910,961.40x = 44,866,442.10 × 18,514,455.80 - Step 4: Simplify right side
29,910,961.40x = 830,677,759,163,709.25 - Step 5: Solve for x
x = 830,677,759,163,709.25/29,910,961.40 - Step 6: Final answer
x = 27,771,683.70
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1.5x scale
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.