Finding the Fourth Proportional to 35,722,305.62, 53,515,847.32 and 21,105,512.99
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Solution
The fourth proportional to 35,722,305.62, 53,515,847.32 and 21,105,512.99 is: 31,618,323.37
Step by Step Solution
- Step 1: Write the proportion equation
35,722,305.62 : 53,515,847.32 = 21,105,512.99 : x - Step 2: Convert to fraction form
35,722,305.62/53,515,847.32 = 21,105,512.99/x - Step 3: Cross multiply
35,722,305.62x = 53,515,847.32 × 21,105,512.99 - Step 4: Simplify right side
35,722,305.62x = 1,129,479,410,410,009.75 - Step 5: Solve for x
x = 1,129,479,410,410,009.75/35,722,305.62 - Step 6: Final answer
x = 31,618,323.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.