Finding the Fourth Proportional to 21,591,106.64, 32,381,878.20 and 6,235,053.20
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Solution
The fourth proportional to 21,591,106.64, 32,381,878.20 and 6,235,053.20 is: 9,351,198.93
Step by Step Solution
- Step 1: Write the proportion equation
21,591,106.64 : 32,381,878.20 = 6,235,053.20 : x - Step 2: Convert to fraction form
21,591,106.64/32,381,878.20 = 6,235,053.20/x - Step 3: Cross multiply
21,591,106.64x = 32,381,878.20 × 6,235,053.20 - Step 4: Simplify right side
21,591,106.64x = 201,902,733,292,920.25 - Step 5: Solve for x
x = 201,902,733,292,920.25/21,591,106.64 - Step 6: Final answer
x = 9,351,198.93
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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.