Finding the Fourth Proportional to 49,787,514.88, 74,540,437.64 and 26,390,946.94
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Solution
The fourth proportional to 49,787,514.88, 74,540,437.64 and 26,390,946.94 is: 39,511,767.95
Step by Step Solution
- Step 1: Write the proportion equation
49,787,514.88 : 74,540,437.64 = 26,390,946.94 : x - Step 2: Convert to fraction form
49,787,514.88/74,540,437.64 = 26,390,946.94/x - Step 3: Cross multiply
49,787,514.88x = 74,540,437.64 × 26,390,946.94 - Step 4: Simplify right side
49,787,514.88x = 1,967,192,734,641,619 - Step 5: Solve for x
x = 1,967,192,734,641,619/49,787,514.88 - Step 6: Final answer
x = 39,511,767.95
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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.