Finding the Fourth Proportional to 19,930,082.40, 27,503,513.12 and 10,762,724.80
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Solution
The fourth proportional to 19,930,082.40, 27,503,513.12 and 10,762,724.80 is: 14,852,559.90
Step by Step Solution
- Step 1: Write the proportion equation
19,930,082.40 : 27,503,513.12 = 10,762,724.80 : x - Step 2: Convert to fraction form
19,930,082.40/27,503,513.12 = 10,762,724.80/x - Step 3: Cross multiply
19,930,082.40x = 27,503,513.12 × 10,762,724.80 - Step 4: Simplify right side
19,930,082.40x = 296,012,742,743,749.44 - Step 5: Solve for x
x = 296,012,742,743,749.44/19,930,082.40 - Step 6: Final answer
x = 14,852,559.90
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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.