Finding the Fourth Proportional to 39,840,189.95, 54,979,575.98 and 23,098,183.08
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Solution
The fourth proportional to 39,840,189.95, 54,979,575.98 and 23,098,183.08 is: 31,875,558.66
Step by Step Solution
- Step 1: Write the proportion equation
39,840,189.95 : 54,979,575.98 = 23,098,183.08 : x - Step 2: Convert to fraction form
39,840,189.95/54,979,575.98 = 23,098,183.08/x - Step 3: Cross multiply
39,840,189.95x = 54,979,575.98 × 23,098,183.08 - Step 4: Simplify right side
39,840,189.95x = 1,269,928,311,531,319.50 - Step 5: Solve for x
x = 1,269,928,311,531,319.50/39,840,189.95 - Step 6: Final answer
x = 31,875,558.66
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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.