Finding the Fourth Proportional to 16,128,727.80, 24,193,091.70 and 11,089,879.80
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Solution
The fourth proportional to 16,128,727.80, 24,193,091.70 and 11,089,879.80 is: 16,634,819.70
Step by Step Solution
- Step 1: Write the proportion equation
16,128,727.80 : 24,193,091.70 = 11,089,879.80 : x - Step 2: Convert to fraction form
16,128,727.80/24,193,091.70 = 11,089,879.80/x - Step 3: Cross multiply
16,128,727.80x = 24,193,091.70 × 11,089,879.80 - Step 4: Simplify right side
16,128,727.80x = 268,298,478,943,377.66 - Step 5: Solve for x
x = 268,298,478,943,377.66/16,128,727.80 - Step 6: Final answer
x = 16,634,819.70
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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.