Finding the Fourth Proportional to 7,786,477.08, 10,743,777.90 and 4,348,189.08
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Solution
The fourth proportional to 7,786,477.08, 10,743,777.90 and 4,348,189.08 is: 5,999,629.52
Step by Step Solution
- Step 1: Write the proportion equation
7,786,477.08 : 10,743,777.90 = 4,348,189.08 : x - Step 2: Convert to fraction form
7,786,477.08/10,743,777.90 = 4,348,189.08/x - Step 3: Cross multiply
7,786,477.08x = 10,743,777.90 × 4,348,189.08 - Step 4: Simplify right side
7,786,477.08x = 46,715,977,742,725.34 - Step 5: Solve for x
x = 46,715,977,742,725.34/7,786,477.08 - Step 6: Final answer
x = 5,999,629.52
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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.