Finding the Fourth Proportional to 8,217,967.98, 12,328,633.26 and 2,825,918.13
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Solution
The fourth proportional to 8,217,967.98, 12,328,633.26 and 2,825,918.13 is: 4,239,455.34
Step by Step Solution
- Step 1: Write the proportion equation
8,217,967.98 : 12,328,633.26 = 2,825,918.13 : x - Step 2: Convert to fraction form
8,217,967.98/12,328,633.26 = 2,825,918.13/x - Step 3: Cross multiply
8,217,967.98x = 12,328,633.26 × 2,825,918.13 - Step 4: Simplify right side
8,217,967.98x = 34,839,708,247,555 - Step 5: Solve for x
x = 34,839,708,247,555/8,217,967.98 - Step 6: Final answer
x = 4,239,455.34
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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.