Finding the Fourth Proportional to 36,690,128.23, 55,041,835.35 and 18,448,415.90
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Solution
The fourth proportional to 36,690,128.23, 55,041,835.35 and 18,448,415.90 is: 27,675,964.07
Step by Step Solution
- Step 1: Write the proportion equation
36,690,128.23 : 55,041,835.35 = 18,448,415.90 : x - Step 2: Convert to fraction form
36,690,128.23/55,041,835.35 = 18,448,415.90/x - Step 3: Cross multiply
36,690,128.23x = 55,041,835.35 × 18,448,415.90 - Step 4: Simplify right side
36,690,128.23x = 1,015,434,670,436,122 - Step 5: Solve for x
x = 1,015,434,670,436,122/36,690,128.23 - Step 6: Final answer
x = 27,675,964.07
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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.