Finding the Fourth Proportional to 29,333,101.68, 40,487,121 and 20,044,431.36
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Solution
The fourth proportional to 29,333,101.68, 40,487,121 and 20,044,431.36 is: 27,666,399.78
Step by Step Solution
- Step 1: Write the proportion equation
29,333,101.68 : 40,487,121 = 20,044,431.36 : x - Step 2: Convert to fraction form
29,333,101.68/40,487,121 = 20,044,431.36/x - Step 3: Cross multiply
29,333,101.68x = 40,487,121 × 20,044,431.36 - Step 4: Simplify right side
29,333,101.68x = 811,541,317,848,514.50 - Step 5: Solve for x
x = 811,541,317,848,514.50/29,333,101.68 - Step 6: Final answer
x = 27,666,399.78
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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.