Finding the Fourth Proportional to 16,129,879.20, 24,194,818.80 and 15,751,965.60
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Solution
The fourth proportional to 16,129,879.20, 24,194,818.80 and 15,751,965.60 is: 23,627,948.40
Step by Step Solution
- Step 1: Write the proportion equation
16,129,879.20 : 24,194,818.80 = 15,751,965.60 : x - Step 2: Convert to fraction form
16,129,879.20/24,194,818.80 = 15,751,965.60/x - Step 3: Cross multiply
16,129,879.20x = 24,194,818.80 × 15,751,965.60 - Step 4: Simplify right side
16,129,879.20x = 381,115,953,435,833.31 - Step 5: Solve for x
x = 381,115,953,435,833.31/16,129,879.20 - Step 6: Final answer
x = 23,627,948.40
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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.