Finding the Fourth Proportional to 18,657,016.66, 25,746,333.01 and 10,396,896.99
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Solution
The fourth proportional to 18,657,016.66, 25,746,333.01 and 10,396,896.99 is: 14,347,522.81
Step by Step Solution
- Step 1: Write the proportion equation
18,657,016.66 : 25,746,333.01 = 10,396,896.99 : x - Step 2: Convert to fraction form
18,657,016.66/25,746,333.01 = 10,396,896.99/x - Step 3: Cross multiply
18,657,016.66x = 25,746,333.01 × 10,396,896.99 - Step 4: Simplify right side
18,657,016.66x = 267,681,972,175,206.66 - Step 5: Solve for x
x = 267,681,972,175,206.66/18,657,016.66 - Step 6: Final answer
x = 14,347,522.81
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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.