Finding the Fourth Proportional to 28,756,723.97, 43,135,467.30 and 9,587,487.17
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Solution
The fourth proportional to 28,756,723.97, 43,135,467.30 and 9,587,487.17 is: 14,381,357.90
Step by Step Solution
- Step 1: Write the proportion equation
28,756,723.97 : 43,135,467.30 = 9,587,487.17 : x - Step 2: Convert to fraction form
28,756,723.97/43,135,467.30 = 9,587,487.17/x - Step 3: Cross multiply
28,756,723.97x = 43,135,467.30 × 9,587,487.17 - Step 4: Simplify right side
28,756,723.97x = 413,560,739,310,704.50 - Step 5: Solve for x
x = 413,560,739,310,704.50/28,756,723.97 - Step 6: Final answer
x = 14,381,357.90
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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.