Finding the Fourth Proportional to 13,800,964.14, 19,048,575.96 and 8,577,916.92
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Solution
The fourth proportional to 13,800,964.14, 19,048,575.96 and 8,577,916.92 is: 11,839,542.54
Step by Step Solution
- Step 1: Write the proportion equation
13,800,964.14 : 19,048,575.96 = 8,577,916.92 : x - Step 2: Convert to fraction form
13,800,964.14/19,048,575.96 = 8,577,916.92/x - Step 3: Cross multiply
13,800,964.14x = 19,048,575.96 × 8,577,916.92 - Step 4: Simplify right side
13,800,964.14x = 163,397,102,029,189.25 - Step 5: Solve for x
x = 163,397,102,029,189.25/13,800,964.14 - Step 6: Final answer
x = 11,839,542.54
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1.5x scale
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.