Finding the Fourth Proportional to 12,840,741.08, 19,261,788.96 and 3,256,202.72
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Solution
The fourth proportional to 12,840,741.08, 19,261,788.96 and 3,256,202.72 is: 4,884,475.84
Step by Step Solution
- Step 1: Write the proportion equation
12,840,741.08 : 19,261,788.96 = 3,256,202.72 : x - Step 2: Convert to fraction form
12,840,741.08/19,261,788.96 = 3,256,202.72/x - Step 3: Cross multiply
12,840,741.08x = 19,261,788.96 × 3,256,202.72 - Step 4: Simplify right side
12,840,741.08x = 62,720,289,603,617.98 - Step 5: Solve for x
x = 62,720,289,603,617.98/12,840,741.08 - Step 6: Final answer
x = 4,884,475.84
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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.