Finding the Fourth Proportional to 21,649,811.16, 32,472,228.42 and 5,694,703.32
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Solution
The fourth proportional to 21,649,811.16, 32,472,228.42 and 5,694,703.32 is: 8,541,400.46
Step by Step Solution
- Step 1: Write the proportion equation
21,649,811.16 : 32,472,228.42 = 5,694,703.32 : x - Step 2: Convert to fraction form
21,649,811.16/32,472,228.42 = 5,694,703.32/x - Step 3: Cross multiply
21,649,811.16x = 32,472,228.42 × 5,694,703.32 - Step 4: Simplify right side
21,649,811.16x = 184,919,706,991,172.38 - Step 5: Solve for x
x = 184,919,706,991,172.38/21,649,811.16 - Step 6: Final answer
x = 8,541,400.46
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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.