Finding the Fourth Proportional to 19,601,396.18, 27,048,815.64 and 10,899,381.96
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Solution
The fourth proportional to 19,601,396.18, 27,048,815.64 and 10,899,381.96 is: 15,040,529.28
Step by Step Solution
- Step 1: Write the proportion equation
19,601,396.18 : 27,048,815.64 = 10,899,381.96 : x - Step 2: Convert to fraction form
19,601,396.18/27,048,815.64 = 10,899,381.96/x - Step 3: Cross multiply
19,601,396.18x = 27,048,815.64 × 10,899,381.96 - Step 4: Simplify right side
19,601,396.18x = 294,815,373,225,981.88 - Step 5: Solve for x
x = 294,815,373,225,981.88/19,601,396.18 - Step 6: Final answer
x = 15,040,529.28
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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.