Finding the Fourth Proportional to 8,956,135.68, 13,426,249.56 and 3,489,964.88
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Solution
The fourth proportional to 8,956,135.68, 13,426,249.56 and 3,489,964.88 is: 5,231,847.88
Step by Step Solution
- Step 1: Write the proportion equation
8,956,135.68 : 13,426,249.56 = 3,489,964.88 : x - Step 2: Convert to fraction form
8,956,135.68/13,426,249.56 = 3,489,964.88/x - Step 3: Cross multiply
8,956,135.68x = 13,426,249.56 × 3,489,964.88 - Step 4: Simplify right side
8,956,135.68x = 46,857,139,434,515.45 - Step 5: Solve for x
x = 46,857,139,434,515.45/8,956,135.68 - Step 6: Final answer
x = 5,231,847.88
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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.