Finding the Fourth Proportional to 10,903,243.80, 16,355,643.30 and 3,330,197.40
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Solution
The fourth proportional to 10,903,243.80, 16,355,643.30 and 3,330,197.40 is: 4,995,533.60
Step by Step Solution
- Step 1: Write the proportion equation
10,903,243.80 : 16,355,643.30 = 3,330,197.40 : x - Step 2: Convert to fraction form
10,903,243.80/16,355,643.30 = 3,330,197.40/x - Step 3: Cross multiply
10,903,243.80x = 16,355,643.30 × 3,330,197.40 - Step 4: Simplify right side
10,903,243.80x = 54,467,520,792,987.42 - Step 5: Solve for x
x = 54,467,520,792,987.42/10,903,243.80 - Step 6: Final answer
x = 4,995,533.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.