Finding the Fourth Proportional to 20,602,353.99, 30,880,022.67 and 8,298,442.26
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Solution
The fourth proportional to 20,602,353.99, 30,880,022.67 and 8,298,442.26 is: 12,438,194.45
Step by Step Solution
- Step 1: Write the proportion equation
20,602,353.99 : 30,880,022.67 = 8,298,442.26 : x - Step 2: Convert to fraction form
20,602,353.99/30,880,022.67 = 8,298,442.26/x - Step 3: Cross multiply
20,602,353.99x = 30,880,022.67 × 8,298,442.26 - Step 4: Simplify right side
20,602,353.99x = 256,256,085,114,486.03 - Step 5: Solve for x
x = 256,256,085,114,486.03/20,602,353.99 - Step 6: Final answer
x = 12,438,194.45
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1.5x scale
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.