Finding the Fourth Proportional to 15,195,046.08, 20,969,119.20 and 8,319,472.32
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Solution
The fourth proportional to 15,195,046.08, 20,969,119.20 and 8,319,472.32 is: 11,480,847.50
Step by Step Solution
- Step 1: Write the proportion equation
15,195,046.08 : 20,969,119.20 = 8,319,472.32 : x - Step 2: Convert to fraction form
15,195,046.08/20,969,119.20 = 8,319,472.32/x - Step 3: Cross multiply
15,195,046.08x = 20,969,119.20 × 8,319,472.32 - Step 4: Simplify right side
15,195,046.08x = 174,452,006,759,180.53 - Step 5: Solve for x
x = 174,452,006,759,180.53/15,195,046.08 - Step 6: Final answer
x = 11,480,847.50
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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.