Finding the Fourth Proportional to 38,097,211.96, 52,578,513.92 and 21,356,473
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Solution
The fourth proportional to 38,097,211.96, 52,578,513.92 and 21,356,473 is: 29,474,377.66
Step by Step Solution
- Step 1: Write the proportion equation
38,097,211.96 : 52,578,513.92 = 21,356,473 : x - Step 2: Convert to fraction form
38,097,211.96/52,578,513.92 = 21,356,473/x - Step 3: Cross multiply
38,097,211.96x = 52,578,513.92 × 21,356,473 - Step 4: Simplify right side
38,097,211.96x = 1,122,891,612,912,604.25 - Step 5: Solve for x
x = 1,122,891,612,912,604.25/38,097,211.96 - Step 6: Final answer
x = 29,474,377.66
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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.