Finding the Fourth Proportional to 14,591,850.75, 20,134,696.83 and 8,312,543.18
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Solution
The fourth proportional to 14,591,850.75, 20,134,696.83 and 8,312,543.18 is: 11,470,137.67
Step by Step Solution
- Step 1: Write the proportion equation
14,591,850.75 : 20,134,696.83 = 8,312,543.18 : x - Step 2: Convert to fraction form
14,591,850.75/20,134,696.83 = 8,312,543.18/x - Step 3: Cross multiply
14,591,850.75x = 20,134,696.83 × 8,312,543.18 - Step 4: Simplify right side
14,591,850.75x = 167,370,536,881,723.59 - Step 5: Solve for x
x = 167,370,536,881,723.59/14,591,850.75 - Step 6: Final answer
x = 11,470,137.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.