Finding the Fourth Proportional to 18,657,015.66, 25,746,331.64 and 10,396,895.99
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Solution
The fourth proportional to 18,657,015.66, 25,746,331.64 and 10,396,895.99 is: 14,347,521.43
Step by Step Solution
- Step 1: Write the proportion equation
18,657,015.66 : 25,746,331.64 = 10,396,895.99 : x - Step 2: Convert to fraction form
18,657,015.66/25,746,331.64 = 10,396,895.99/x - Step 3: Cross multiply
18,657,015.66x = 25,746,331.64 × 10,396,895.99 - Step 4: Simplify right side
18,657,015.66x = 267,681,932,004,410 - Step 5: Solve for x
x = 267,681,932,004,410/18,657,015.66 - Step 6: Final answer
x = 14,347,521.43
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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.