Finding the Fourth Proportional to 8,556,343.28, 12,834,982.39 and 2,166,650.99
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Solution
The fourth proportional to 8,556,343.28, 12,834,982.39 and 2,166,650.99 is: 3,250,094.86
Step by Step Solution
- Step 1: Write the proportion equation
8,556,343.28 : 12,834,982.39 = 2,166,650.99 : x - Step 2: Convert to fraction form
8,556,343.28/12,834,982.39 = 2,166,650.99/x - Step 3: Cross multiply
8,556,343.28x = 12,834,982.39 × 2,166,650.99 - Step 4: Simplify right side
8,556,343.28x = 27,808,927,307,146.20 - Step 5: Solve for x
x = 27,808,927,307,146.20/8,556,343.28 - Step 6: Final answer
x = 3,250,094.86
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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.