Finding the Fourth Proportional to 43,884,219.87, 65,853,235.44 and 19,643,643.09
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Solution
The fourth proportional to 43,884,219.87, 65,853,235.44 and 19,643,643.09 is: 29,477,508.25
Step by Step Solution
- Step 1: Write the proportion equation
43,884,219.87 : 65,853,235.44 = 19,643,643.09 : x - Step 2: Convert to fraction form
43,884,219.87/65,853,235.44 = 19,643,643.09/x - Step 3: Cross multiply
43,884,219.87x = 65,853,235.44 × 19,643,643.09 - Step 4: Simplify right side
43,884,219.87x = 1,293,597,453,305,099 - Step 5: Solve for x
x = 1,293,597,453,305,099/43,884,219.87 - Step 6: Final answer
x = 29,477,508.25
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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.