Finding the Fourth Proportional to 22,034,382.17, 30,375,399.60 and 15,398,368.19
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Solution
The fourth proportional to 22,034,382.17, 30,375,399.60 and 15,398,368.19 is: 21,227,352.02
Step by Step Solution
- Step 1: Write the proportion equation
22,034,382.17 : 30,375,399.60 = 15,398,368.19 : x - Step 2: Convert to fraction form
22,034,382.17/30,375,399.60 = 15,398,368.19/x - Step 3: Cross multiply
22,034,382.17x = 30,375,399.60 × 15,398,368.19 - Step 4: Simplify right side
22,034,382.17x = 467,731,586,807,301.75 - Step 5: Solve for x
x = 467,731,586,807,301.75/22,034,382.17 - Step 6: Final answer
x = 21,227,352.02
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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.