Finding the Fourth Proportional to 13,189,291.57, 18,202,232.13 and 8,298,705.77
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Solution
The fourth proportional to 13,189,291.57, 18,202,232.13 and 8,298,705.77 is: 11,452,849.30
Step by Step Solution
- Step 1: Write the proportion equation
13,189,291.57 : 18,202,232.13 = 8,298,705.77 : x - Step 2: Convert to fraction form
13,189,291.57/18,202,232.13 = 8,298,705.77/x - Step 3: Cross multiply
13,189,291.57x = 18,202,232.13 × 8,298,705.77 - Step 4: Simplify right side
13,189,291.57x = 151,054,968,750,237.44 - Step 5: Solve for x
x = 151,054,968,750,237.44/13,189,291.57 - Step 6: Final answer
x = 11,452,849.30
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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.