Finding the Fourth Proportional to 40,389,660.60, 60,582,935.70 and 13,463,316.60
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Solution
The fourth proportional to 40,389,660.60, 60,582,935.70 and 13,463,316.60 is: 20,194,456.50
Step by Step Solution
- Step 1: Write the proportion equation
40,389,660.60 : 60,582,935.70 = 13,463,316.60 : x - Step 2: Convert to fraction form
40,389,660.60/60,582,935.70 = 13,463,316.60/x - Step 3: Cross multiply
40,389,660.60x = 60,582,935.70 × 13,463,316.60 - Step 4: Simplify right side
40,389,660.60x = 815,647,243,886,542.62 - Step 5: Solve for x
x = 815,647,243,886,542.62/40,389,660.60 - Step 6: Final answer
x = 20,194,456.50
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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.