Finding the Fourth Proportional to 9,715,277.80, 14,582,247.90 and 4,928,372.20
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Solution
The fourth proportional to 9,715,277.80, 14,582,247.90 and 4,928,372.20 is: 7,397,291.84
Step by Step Solution
- Step 1: Write the proportion equation
9,715,277.80 : 14,582,247.90 = 4,928,372.20 : x - Step 2: Convert to fraction form
9,715,277.80/14,582,247.90 = 4,928,372.20/x - Step 3: Cross multiply
9,715,277.80x = 14,582,247.90 × 4,928,372.20 - Step 4: Simplify right side
9,715,277.80x = 71,866,745,163,868.39 - Step 5: Solve for x
x = 71,866,745,163,868.39/9,715,277.80 - Step 6: Final answer
x = 7,397,291.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.