Finding the Fourth Proportional to 19,787,270.02, 27,306,435.28 and 10,967,290.12
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Solution
The fourth proportional to 19,787,270.02, 27,306,435.28 and 10,967,290.12 is: 15,134,861.84
Step by Step Solution
- Step 1: Write the proportion equation
19,787,270.02 : 27,306,435.28 = 10,967,290.12 : x - Step 2: Convert to fraction form
19,787,270.02/27,306,435.28 = 10,967,290.12/x - Step 3: Cross multiply
19,787,270.02x = 27,306,435.28 × 10,967,290.12 - Step 4: Simplify right side
19,787,270.02x = 299,477,597,858,763.44 - Step 5: Solve for x
x = 299,477,597,858,763.44/19,787,270.02 - Step 6: Final answer
x = 15,134,861.84
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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.