Finding the Fourth Proportional to 19,159,151.13, 28,743,302.79 and 6,379,766.55
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Solution
The fourth proportional to 19,159,151.13, 28,743,302.79 and 6,379,766.55 is: 9,571,173.61
Step by Step Solution
- Step 1: Write the proportion equation
19,159,151.13 : 28,743,302.79 = 6,379,766.55 : x - Step 2: Convert to fraction form
19,159,151.13/28,743,302.79 = 6,379,766.55/x - Step 3: Cross multiply
19,159,151.13x = 28,743,302.79 × 6,379,766.55 - Step 4: Simplify right side
19,159,151.13x = 183,375,561,676,163.66 - Step 5: Solve for x
x = 183,375,561,676,163.66/19,159,151.13 - Step 6: Final answer
x = 9,571,173.61
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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.