Finding the Fourth Proportional to 32,166,130.30, 48,249,195.45 and 8,231,602.30
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Solution
The fourth proportional to 32,166,130.30, 48,249,195.45 and 8,231,602.30 is: 12,347,403.45
Step by Step Solution
- Step 1: Write the proportion equation
32,166,130.30 : 48,249,195.45 = 8,231,602.30 : x - Step 2: Convert to fraction form
32,166,130.30/48,249,195.45 = 8,231,602.30/x - Step 3: Cross multiply
32,166,130.30x = 48,249,195.45 × 8,231,602.30 - Step 4: Simplify right side
32,166,130.30x = 397,168,188,239,369.56 - Step 5: Solve for x
x = 397,168,188,239,369.56/32,166,130.30 - Step 6: Final answer
x = 12,347,403.45
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Double scale
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Similar ratio
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1.5x scale
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.