Finding the Fourth Proportional to 10,643,292.47, 14,689,880.75 and 6,965,851.97
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Solution
The fourth proportional to 10,643,292.47, 14,689,880.75 and 6,965,851.97 is: 9,614,274.44
Step by Step Solution
- Step 1: Write the proportion equation
10,643,292.47 : 14,689,880.75 = 6,965,851.97 : x - Step 2: Convert to fraction form
10,643,292.47/14,689,880.75 = 6,965,851.97/x - Step 3: Cross multiply
10,643,292.47x = 14,689,880.75 × 6,965,851.97 - Step 4: Simplify right side
10,643,292.47x = 102,327,534,726,623.31 - Step 5: Solve for x
x = 102,327,534,726,623.31/10,643,292.47 - Step 6: Final answer
x = 9,614,274.44
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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.