Finding the Fourth Proportional to 29,204,939.79, 40,315,226.40 and 18,197,128.17
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Solution
The fourth proportional to 29,204,939.79, 40,315,226.40 and 18,197,128.17 is: 25,119,769.03
Step by Step Solution
- Step 1: Write the proportion equation
29,204,939.79 : 40,315,226.40 = 18,197,128.17 : x - Step 2: Convert to fraction form
29,204,939.79/40,315,226.40 = 18,197,128.17/x - Step 3: Cross multiply
29,204,939.79x = 40,315,226.40 × 18,197,128.17 - Step 4: Simplify right side
29,204,939.79x = 733,621,342,003,367.75 - Step 5: Solve for x
x = 733,621,342,003,367.75/29,204,939.79 - Step 6: Final answer
x = 25,119,769.03
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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.