Finding the Fourth Proportional to 12,658,464.92, 18,987,434.92 and 3,073,893.68
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Solution
The fourth proportional to 12,658,464.92, 18,987,434.92 and 3,073,893.68 is: 4,610,776.79
Step by Step Solution
- Step 1: Write the proportion equation
12,658,464.92 : 18,987,434.92 = 3,073,893.68 : x - Step 2: Convert to fraction form
12,658,464.92/18,987,434.92 = 3,073,893.68/x - Step 3: Cross multiply
12,658,464.92x = 18,987,434.92 × 3,073,893.68 - Step 4: Simplify right side
12,658,464.92x = 58,365,356,199,999.31 - Step 5: Solve for x
x = 58,365,356,199,999.31/12,658,464.92 - Step 6: Final answer
x = 4,610,776.79
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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.