Finding the Fourth Proportional to 19,261,144.85, 28,892,733.21 and 4,884,336.99
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Solution
The fourth proportional to 19,261,144.85, 28,892,733.21 and 4,884,336.99 is: 7,326,763.11
Step by Step Solution
- Step 1: Write the proportion equation
19,261,144.85 : 28,892,733.21 = 4,884,336.99 : x - Step 2: Convert to fraction form
19,261,144.85/28,892,733.21 = 4,884,336.99/x - Step 3: Cross multiply
19,261,144.85x = 28,892,733.21 × 4,884,336.99 - Step 4: Simplify right side
19,261,144.85x = 141,121,845,559,804.44 - Step 5: Solve for x
x = 141,121,845,559,804.44/19,261,144.85 - Step 6: Final answer
x = 7,326,763.11
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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.