Finding the Fourth Proportional to 36,722,474.28, 55,081,719.12 and 11,161,490.70
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Solution
The fourth proportional to 36,722,474.28, 55,081,719.12 and 11,161,490.70 is: 16,741,630.51
Step by Step Solution
- Step 1: Write the proportion equation
36,722,474.28 : 55,081,719.12 = 11,161,490.70 : x - Step 2: Convert to fraction form
36,722,474.28/55,081,719.12 = 11,161,490.70/x - Step 3: Cross multiply
36,722,474.28x = 55,081,719.12 × 11,161,490.70 - Step 4: Simplify right side
36,722,474.28x = 614,794,095,697,892.12 - Step 5: Solve for x
x = 614,794,095,697,892.12/36,722,474.28 - Step 6: Final answer
x = 16,741,630.51
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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.