Finding the Fourth Proportional to 36,236,439.92, 54,286,078.05 and 21,420,177.42
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Solution
The fourth proportional to 36,236,439.92, 54,286,078.05 and 21,420,177.42 is: 32,089,725.86
Step by Step Solution
- Step 1: Write the proportion equation
36,236,439.92 : 54,286,078.05 = 21,420,177.42 : x - Step 2: Convert to fraction form
36,236,439.92/54,286,078.05 = 21,420,177.42/x - Step 3: Cross multiply
36,236,439.92x = 54,286,078.05 × 21,420,177.42 - Step 4: Simplify right side
36,236,439.92x = 1,162,817,423,266,967.75 - Step 5: Solve for x
x = 1,162,817,423,266,967.75/36,236,439.92 - Step 6: Final answer
x = 32,089,725.86
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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.