Finding the Fourth Proportional to 14,467,357.68, 19,981,523.51 and 9,527,879.67
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Solution
The fourth proportional to 14,467,357.68, 19,981,523.51 and 9,527,879.67 is: 13,159,386.52
Step by Step Solution
- Step 1: Write the proportion equation
14,467,357.68 : 19,981,523.51 = 9,527,879.67 : x - Step 2: Convert to fraction form
14,467,357.68/19,981,523.51 = 9,527,879.67/x - Step 3: Cross multiply
14,467,357.68x = 19,981,523.51 × 9,527,879.67 - Step 4: Simplify right side
14,467,357.68x = 190,381,551,626,556.06 - Step 5: Solve for x
x = 190,381,551,626,556.06/14,467,357.68 - Step 6: Final answer
x = 13,159,386.52
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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.