Finding the Fourth Proportional to 19,278,125.19, 28,917,255.38 and 4,901,194.53
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Solution
The fourth proportional to 19,278,125.19, 28,917,255.38 and 4,901,194.53 is: 7,351,808.98
Step by Step Solution
- Step 1: Write the proportion equation
19,278,125.19 : 28,917,255.38 = 4,901,194.53 : x - Step 2: Convert to fraction form
19,278,125.19/28,917,255.38 = 4,901,194.53/x - Step 3: Cross multiply
19,278,125.19x = 28,917,255.38 × 4,901,194.53 - Step 4: Simplify right side
19,278,125.19x = 141,729,093,866,563.09 - Step 5: Solve for x
x = 141,729,093,866,563.09/19,278,125.19 - Step 6: Final answer
x = 7,351,808.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.