Finding the Fourth Proportional to 17,281,754.49, 23,849,545.79 and 9,939,589.68
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Solution
The fourth proportional to 17,281,754.49, 23,849,545.79 and 9,939,589.68 is: 13,717,050.51
Step by Step Solution
- Step 1: Write the proportion equation
17,281,754.49 : 23,849,545.79 = 9,939,589.68 : x - Step 2: Convert to fraction form
17,281,754.49/23,849,545.79 = 9,939,589.68/x - Step 3: Cross multiply
17,281,754.49x = 23,849,545.79 × 9,939,589.68 - Step 4: Simplify right side
17,281,754.49x = 237,054,699,206,971.44 - Step 5: Solve for x
x = 237,054,699,206,971.44/17,281,754.49 - Step 6: Final answer
x = 13,717,050.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.