Finding the Fourth Proportional to 36,690,120.74, 55,041,824.10 and 18,448,408.40
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Solution
The fourth proportional to 36,690,120.74, 55,041,824.10 and 18,448,408.40 is: 27,675,952.81
Step by Step Solution
- Step 1: Write the proportion equation
36,690,120.74 : 55,041,824.10 = 18,448,408.40 : x - Step 2: Convert to fraction form
36,690,120.74/55,041,824.10 = 18,448,408.40/x - Step 3: Cross multiply
36,690,120.74x = 55,041,824.10 × 18,448,408.40 - Step 4: Simplify right side
36,690,120.74x = 1,015,434,050,077,762.38 - Step 5: Solve for x
x = 1,015,434,050,077,762.38/36,690,120.74 - Step 6: Final answer
x = 27,675,952.81
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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.