Finding the Fourth Proportional to 14,789,961.45, 22,184,942.18 and 14,577,385.05
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Solution
The fourth proportional to 14,789,961.45, 22,184,942.18 and 14,577,385.05 is: 21,866,077.58
Step by Step Solution
- Step 1: Write the proportion equation
14,789,961.45 : 22,184,942.18 = 14,577,385.05 : x - Step 2: Convert to fraction form
14,789,961.45/22,184,942.18 = 14,577,385.05/x - Step 3: Cross multiply
14,789,961.45x = 22,184,942.18 × 14,577,385.05 - Step 4: Simplify right side
14,789,961.45x = 323,398,444,396,959.50 - Step 5: Solve for x
x = 323,398,444,396,959.50/14,789,961.45 - Step 6: Final answer
x = 21,866,077.58
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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.