Finding the Fourth Proportional to 32,256,378.80, 48,388,715.40 and 16,090,593.20
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Solution
The fourth proportional to 32,256,378.80, 48,388,715.40 and 16,090,593.20 is: 24,137,958.57
Step by Step Solution
- Step 1: Write the proportion equation
32,256,378.80 : 48,388,715.40 = 16,090,593.20 : x - Step 2: Convert to fraction form
32,256,378.80/48,388,715.40 = 16,090,593.20/x - Step 3: Cross multiply
32,256,378.80x = 48,388,715.40 × 16,090,593.20 - Step 4: Simplify right side
32,256,378.80x = 778,603,134,971,975.25 - Step 5: Solve for x
x = 778,603,134,971,975.25/32,256,378.80 - Step 6: Final answer
x = 24,137,958.57
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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.