Finding the Fourth Proportional to 10,331,874.79, 14,257,629.43 and 5,685,225.29
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Solution
The fourth proportional to 10,331,874.79, 14,257,629.43 and 5,685,225.29 is: 7,845,414.03
Step by Step Solution
- Step 1: Write the proportion equation
10,331,874.79 : 14,257,629.43 = 5,685,225.29 : x - Step 2: Convert to fraction form
10,331,874.79/14,257,629.43 = 5,685,225.29/x - Step 3: Cross multiply
10,331,874.79x = 14,257,629.43 × 5,685,225.29 - Step 4: Simplify right side
10,331,874.79x = 81,057,835,378,849.19 - Step 5: Solve for x
x = 81,057,835,378,849.19/10,331,874.79 - Step 6: Final answer
x = 7,845,414.03
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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.