Finding the Fourth Proportional to 18,717,176.70, 28,075,765.05 and 6,586,543.80
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Solution
The fourth proportional to 18,717,176.70, 28,075,765.05 and 6,586,543.80 is: 9,879,815.70
Step by Step Solution
- Step 1: Write the proportion equation
18,717,176.70 : 28,075,765.05 = 6,586,543.80 : x - Step 2: Convert to fraction form
18,717,176.70/28,075,765.05 = 6,586,543.80/x - Step 3: Cross multiply
18,717,176.70x = 28,075,765.05 × 6,586,543.80 - Step 4: Simplify right side
18,717,176.70x = 184,922,256,220,334.19 - Step 5: Solve for x
x = 184,922,256,220,334.19/18,717,176.70 - Step 6: Final answer
x = 9,879,815.70
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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.