Finding the Fourth Proportional to 21,477,683.36, 32,219,550.80 and 6,899,714.42
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Solution
The fourth proportional to 21,477,683.36, 32,219,550.80 and 6,899,714.42 is: 10,350,543.66
Step by Step Solution
- Step 1: Write the proportion equation
21,477,683.36 : 32,219,550.80 = 6,899,714.42 : x - Step 2: Convert to fraction form
21,477,683.36/32,219,550.80 = 6,899,714.42/x - Step 3: Cross multiply
21,477,683.36x = 32,219,550.80 × 6,899,714.42 - Step 4: Simplify right side
21,477,683.36x = 222,305,699,306,732.88 - Step 5: Solve for x
x = 222,305,699,306,732.88/21,477,683.36 - Step 6: Final answer
x = 10,350,543.66
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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.