Finding the Fourth Proportional to 14,171,503.77, 19,549,939.68 and 8,366,396.58
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Solution
The fourth proportional to 14,171,503.77, 19,549,939.68 and 8,366,396.58 is: 11,541,650.85
Step by Step Solution
- Step 1: Write the proportion equation
14,171,503.77 : 19,549,939.68 = 8,366,396.58 : x - Step 2: Convert to fraction form
14,171,503.77/19,549,939.68 = 8,366,396.58/x - Step 3: Cross multiply
14,171,503.77x = 19,549,939.68 × 8,366,396.58 - Step 4: Simplify right side
14,171,503.77x = 163,562,548,477,958.28 - Step 5: Solve for x
x = 163,562,548,477,958.28/14,171,503.77 - Step 6: Final answer
x = 11,541,650.85
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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.