Finding the Fourth Proportional to 11,859,513.14, 16,366,142.13 and 6,427,005.14
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Solution
The fourth proportional to 11,859,513.14, 16,366,142.13 and 6,427,005.14 is: 8,869,274.68
Step by Step Solution
- Step 1: Write the proportion equation
11,859,513.14 : 16,366,142.13 = 6,427,005.14 : x - Step 2: Convert to fraction form
11,859,513.14/16,366,142.13 = 6,427,005.14/x - Step 3: Cross multiply
11,859,513.14x = 16,366,142.13 × 6,427,005.14 - Step 4: Simplify right side
11,859,513.14x = 105,185,279,591,480.55 - Step 5: Solve for x
x = 105,185,279,591,480.55/11,859,513.14 - Step 6: Final answer
x = 8,869,274.68
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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.