Finding the Fourth Proportional to 10,683,022.28, 14,734,436.09 and 9,195,405.62
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Solution
The fourth proportional to 10,683,022.28, 14,734,436.09 and 9,195,405.62 is: 12,682,657.85
Step by Step Solution
- Step 1: Write the proportion equation
10,683,022.28 : 14,734,436.09 = 9,195,405.62 : x - Step 2: Convert to fraction form
10,683,022.28/14,734,436.09 = 9,195,405.62/x - Step 3: Cross multiply
10,683,022.28x = 14,734,436.09 × 9,195,405.62 - Step 4: Simplify right side
10,683,022.28x = 135,489,116,309,867.62 - Step 5: Solve for x
x = 135,489,116,309,867.62/10,683,022.28 - Step 6: Final answer
x = 12,682,657.85
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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.