Finding the Fourth Proportional to 18,216,110.40, 27,327,227.40 and 5,437,906.80
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Solution
The fourth proportional to 18,216,110.40, 27,327,227.40 and 5,437,906.80 is: 8,157,774.21
Step by Step Solution
- Step 1: Write the proportion equation
18,216,110.40 : 27,327,227.40 = 5,437,906.80 : x - Step 2: Convert to fraction form
18,216,110.40/27,327,227.40 = 5,437,906.80/x - Step 3: Cross multiply
18,216,110.40x = 27,327,227.40 × 5,437,906.80 - Step 4: Simplify right side
18,216,110.40x = 148,602,915,703,606.31 - Step 5: Solve for x
x = 148,602,915,703,606.31/18,216,110.40 - Step 6: Final answer
x = 8,157,774.21
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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.