Finding the Fourth Proportional to 20,256,478.96, 30,384,718.44 and 6,793,268.08
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Solution
The fourth proportional to 20,256,478.96, 30,384,718.44 and 6,793,268.08 is: 10,189,902.12
Step by Step Solution
- Step 1: Write the proportion equation
20,256,478.96 : 30,384,718.44 = 6,793,268.08 : x - Step 2: Convert to fraction form
20,256,478.96/30,384,718.44 = 6,793,268.08/x - Step 3: Cross multiply
20,256,478.96x = 30,384,718.44 × 6,793,268.08 - Step 4: Simplify right side
20,256,478.96x = 206,411,537,898,239.41 - Step 5: Solve for x
x = 206,411,537,898,239.41/20,256,478.96 - Step 6: Final answer
x = 10,189,902.12
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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.