Finding the Fourth Proportional to 11,802,673.08, 16,289,487.18 and 8,505,901.80
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Solution
The fourth proportional to 11,802,673.08, 16,289,487.18 and 8,505,901.80 is: 11,739,440.50
Step by Step Solution
- Step 1: Write the proportion equation
11,802,673.08 : 16,289,487.18 = 8,505,901.80 : x - Step 2: Convert to fraction form
11,802,673.08/16,289,487.18 = 8,505,901.80/x - Step 3: Cross multiply
11,802,673.08x = 16,289,487.18 × 8,505,901.80 - Step 4: Simplify right side
11,802,673.08x = 138,556,778,325,438.94 - Step 5: Solve for x
x = 138,556,778,325,438.94/11,802,673.08 - Step 6: Final answer
x = 11,739,440.50
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1.5x scale
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.