Finding the Fourth Proportional to 19,578,231.48, 27,020,450.58 and 11,843,329.08
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Solution
The fourth proportional to 19,578,231.48, 27,020,450.58 and 11,843,329.08 is: 16,345,301.08
Step by Step Solution
- Step 1: Write the proportion equation
19,578,231.48 : 27,020,450.58 = 11,843,329.08 : x - Step 2: Convert to fraction form
19,578,231.48/27,020,450.58 = 11,843,329.08/x - Step 3: Cross multiply
19,578,231.48x = 27,020,450.58 × 11,843,329.08 - Step 4: Simplify right side
19,578,231.48x = 320,012,088,108,816.88 - Step 5: Solve for x
x = 320,012,088,108,816.88/19,578,231.48 - Step 6: Final answer
x = 16,345,301.08
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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.