Finding the Fourth Proportional to 17,382,682.20, 26,042,919.30 and 8,387,405.40
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Solution
The fourth proportional to 17,382,682.20, 26,042,919.30 and 8,387,405.40 is: 12,566,099.95
Step by Step Solution
- Step 1: Write the proportion equation
17,382,682.20 : 26,042,919.30 = 8,387,405.40 : x - Step 2: Convert to fraction form
17,382,682.20/26,042,919.30 = 8,387,405.40/x - Step 3: Cross multiply
17,382,682.20x = 26,042,919.30 × 8,387,405.40 - Step 4: Simplify right side
17,382,682.20x = 218,432,521,968,584.25 - Step 5: Solve for x
x = 218,432,521,968,584.25/17,382,682.20 - Step 6: Final answer
x = 12,566,099.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.