Finding the Fourth Proportional to 21,624,861.52, 29,842,387.96 and 11,701,744.26
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Solution
The fourth proportional to 21,624,861.52, 29,842,387.96 and 11,701,744.26 is: 16,148,449.86
Step by Step Solution
- Step 1: Write the proportion equation
21,624,861.52 : 29,842,387.96 = 11,701,744.26 : x - Step 2: Convert to fraction form
21,624,861.52/29,842,387.96 = 11,701,744.26/x - Step 3: Cross multiply
21,624,861.52x = 29,842,387.96 × 11,701,744.26 - Step 4: Simplify right side
21,624,861.52x = 349,207,992,015,623.12 - Step 5: Solve for x
x = 349,207,992,015,623.12/21,624,861.52 - Step 6: Final answer
x = 16,148,449.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.