Finding the Fourth Proportional to 22,916,459.44, 31,624,082.94 and 12,603,186.28
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Solution
The fourth proportional to 22,916,459.44, 31,624,082.94 and 12,603,186.28 is: 17,392,049.99
Step by Step Solution
- Step 1: Write the proportion equation
22,916,459.44 : 31,624,082.94 = 12,603,186.28 : x - Step 2: Convert to fraction form
22,916,459.44/31,624,082.94 = 12,603,186.28/x - Step 3: Cross multiply
22,916,459.44x = 31,624,082.94 × 12,603,186.28 - Step 4: Simplify right side
22,916,459.44x = 398,564,208,226,990.06 - Step 5: Solve for x
x = 398,564,208,226,990.06/22,916,459.44 - Step 6: Final answer
x = 17,392,049.99
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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.