Finding the Fourth Proportional to 38,396,719.98, 52,986,456.18 and 22,716,553.28
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Solution
The fourth proportional to 38,396,719.98, 52,986,456.18 and 22,716,553.28 is: 31,348,241.60
Step by Step Solution
- Step 1: Write the proportion equation
38,396,719.98 : 52,986,456.18 = 22,716,553.28 : x - Step 2: Convert to fraction form
38,396,719.98/52,986,456.18 = 22,716,553.28/x - Step 3: Cross multiply
38,396,719.98x = 52,986,456.18 × 22,716,553.28 - Step 4: Simplify right side
38,396,719.98x = 1,203,669,654,666,423 - Step 5: Solve for x
x = 1,203,669,654,666,423/38,396,719.98 - Step 6: Final answer
x = 31,348,241.60
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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.