Finding the Fourth Proportional to 19,284,845.76, 28,926,439.20 and 5,821,272
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Solution
The fourth proportional to 19,284,845.76, 28,926,439.20 and 5,821,272 is: 8,731,657.63
Step by Step Solution
- Step 1: Write the proportion equation
19,284,845.76 : 28,926,439.20 = 5,821,272 : x - Step 2: Convert to fraction form
19,284,845.76/28,926,439.20 = 5,821,272/x - Step 3: Cross multiply
19,284,845.76x = 28,926,439.20 × 5,821,272 - Step 4: Simplify right side
19,284,845.76x = 168,388,670,574,662.41 - Step 5: Solve for x
x = 168,388,670,574,662.41/19,284,845.76 - Step 6: Final answer
x = 8,731,657.63
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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.