Finding the Fourth Proportional to 12,703,916.70, 19,055,837.33 and 3,606,021.99
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Solution
The fourth proportional to 12,703,916.70, 19,055,837.33 and 3,606,021.99 is: 5,409,022.28
Step by Step Solution
- Step 1: Write the proportion equation
12,703,916.70 : 19,055,837.33 = 3,606,021.99 : x - Step 2: Convert to fraction form
12,703,916.70/19,055,837.33 = 3,606,021.99/x - Step 3: Cross multiply
12,703,916.70x = 19,055,837.33 × 3,606,021.99 - Step 4: Simplify right side
12,703,916.70x = 68,715,768,449,842.88 - Step 5: Solve for x
x = 68,715,768,449,842.88/12,703,916.70 - Step 6: Final answer
x = 5,409,022.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.