Finding the Fourth Proportional to 16,137,311.30, 22,268,841.27 and 8,794,986.92
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Solution
The fourth proportional to 16,137,311.30, 22,268,841.27 and 8,794,986.92 is: 12,136,728.61
Step by Step Solution
- Step 1: Write the proportion equation
16,137,311.30 : 22,268,841.27 = 8,794,986.92 : x - Step 2: Convert to fraction form
16,137,311.30/22,268,841.27 = 8,794,986.92/x - Step 3: Cross multiply
16,137,311.30x = 22,268,841.27 × 8,794,986.92 - Step 4: Simplify right side
16,137,311.30x = 195,854,167,693,206.19 - Step 5: Solve for x
x = 195,854,167,693,206.19/16,137,311.30 - Step 6: Final answer
x = 12,136,728.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.