Finding the Fourth Proportional to 18,468,136.19, 25,485,583.06 and 10,095,133.79
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Solution
The fourth proportional to 18,468,136.19, 25,485,583.06 and 10,095,133.79 is: 13,931,041.45
Step by Step Solution
- Step 1: Write the proportion equation
18,468,136.19 : 25,485,583.06 = 10,095,133.79 : x - Step 2: Convert to fraction form
18,468,136.19/25,485,583.06 = 10,095,133.79/x - Step 3: Cross multiply
18,468,136.19x = 25,485,583.06 × 10,095,133.79 - Step 4: Simplify right side
18,468,136.19x = 257,280,370,783,190.50 - Step 5: Solve for x
x = 257,280,370,783,190.50/18,468,136.19 - Step 6: Final answer
x = 13,931,041.45
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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.