Finding the Fourth Proportional to 13,656,172.70, 20,484,259.05 and 3,558,793.70
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Solution
The fourth proportional to 13,656,172.70, 20,484,259.05 and 3,558,793.70 is: 5,338,190.55
Step by Step Solution
- Step 1: Write the proportion equation
13,656,172.70 : 20,484,259.05 = 3,558,793.70 : x - Step 2: Convert to fraction form
13,656,172.70/20,484,259.05 = 3,558,793.70/x - Step 3: Cross multiply
13,656,172.70x = 20,484,259.05 × 3,558,793.70 - Step 4: Simplify right side
13,656,172.70x = 72,899,252,056,307.98 - Step 5: Solve for x
x = 72,899,252,056,307.98/13,656,172.70 - Step 6: Final answer
x = 5,338,190.55
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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.