Finding the Fourth Proportional to 12,163,985.63, 16,786,344.66 and 6,582,232.20
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Solution
The fourth proportional to 12,163,985.63, 16,786,344.66 and 6,582,232.20 is: 9,083,504.51
Step by Step Solution
- Step 1: Write the proportion equation
12,163,985.63 : 16,786,344.66 = 6,582,232.20 : x - Step 2: Convert to fraction form
12,163,985.63/16,786,344.66 = 6,582,232.20/x - Step 3: Cross multiply
12,163,985.63x = 16,786,344.66 × 6,582,232.20 - Step 4: Simplify right side
12,163,985.63x = 110,491,618,341,350.06 - Step 5: Solve for x
x = 110,491,618,341,350.06/12,163,985.63 - Step 6: Final answer
x = 9,083,504.51
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1.5x scale
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.