Finding the Fourth Proportional to 38,805,409.20, 53,537,942.61 and 24,874,446.54
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Solution
The fourth proportional to 38,805,409.20, 53,537,942.61 and 24,874,446.54 is: 34,318,068.51
Step by Step Solution
- Step 1: Write the proportion equation
38,805,409.20 : 53,537,942.61 = 24,874,446.54 : x - Step 2: Convert to fraction form
38,805,409.20/53,537,942.61 = 24,874,446.54/x - Step 3: Cross multiply
38,805,409.20x = 53,537,942.61 × 24,874,446.54 - Step 4: Simplify right side
38,805,409.20x = 1,331,726,691,314,033 - Step 5: Solve for x
x = 1,331,726,691,314,033/38,805,409.20 - Step 6: Final answer
x = 34,318,068.51
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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.