Finding the Fourth Proportional to 36,348,895.80, 54,477,033.30 and 19,317,727.80
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Solution
The fourth proportional to 36,348,895.80, 54,477,033.30 and 19,317,727.80 is: 28,951,979.90
Step by Step Solution
- Step 1: Write the proportion equation
36,348,895.80 : 54,477,033.30 = 19,317,727.80 : x - Step 2: Convert to fraction form
36,348,895.80/54,477,033.30 = 19,317,727.80/x - Step 3: Cross multiply
36,348,895.80x = 54,477,033.30 × 19,317,727.80 - Step 4: Simplify right side
36,348,895.80x = 1,052,372,500,640,935.75 - Step 5: Solve for x
x = 1,052,372,500,640,935.75/36,348,895.80 - Step 6: Final answer
x = 28,951,979.90
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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.