Finding the Fourth Proportional to 21,669,802.56, 32,537,126.30 and 18,760,891.68
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Solution
The fourth proportional to 21,669,802.56, 32,537,126.30 and 18,760,891.68 is: 28,169,407.65
Step by Step Solution
- Step 1: Write the proportion equation
21,669,802.56 : 32,537,126.30 = 18,760,891.68 : x - Step 2: Convert to fraction form
21,669,802.56/32,537,126.30 = 18,760,891.68/x - Step 3: Cross multiply
21,669,802.56x = 32,537,126.30 × 18,760,891.68 - Step 4: Simplify right side
21,669,802.56x = 610,425,501,998,974.75 - Step 5: Solve for x
x = 610,425,501,998,974.75/21,669,802.56 - Step 6: Final answer
x = 28,169,407.65
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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.