Finding the Fourth Proportional to 36,036,631.74, 49,730,305.32 and 19,516,376.37
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Solution
The fourth proportional to 36,036,631.74, 49,730,305.32 and 19,516,376.37 is: 26,932,465.90
Step by Step Solution
- Step 1: Write the proportion equation
36,036,631.74 : 49,730,305.32 = 19,516,376.37 : x - Step 2: Convert to fraction form
36,036,631.74/49,730,305.32 = 19,516,376.37/x - Step 3: Cross multiply
36,036,631.74x = 49,730,305.32 × 19,516,376.37 - Step 4: Simplify right side
36,036,631.74x = 970,555,355,620,133.38 - Step 5: Solve for x
x = 970,555,355,620,133.38/36,036,631.74 - Step 6: Final answer
x = 26,932,465.90
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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.