Finding the Fourth Proportional to 18,722,497.80, 28,083,746.70 and 16,596,733.80
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Solution
The fourth proportional to 18,722,497.80, 28,083,746.70 and 16,596,733.80 is: 24,895,100.70
Step by Step Solution
- Step 1: Write the proportion equation
18,722,497.80 : 28,083,746.70 = 16,596,733.80 : x - Step 2: Convert to fraction form
18,722,497.80/28,083,746.70 = 16,596,733.80/x - Step 3: Cross multiply
18,722,497.80x = 28,083,746.70 × 16,596,733.80 - Step 4: Simplify right side
18,722,497.80x = 466,098,468,086,528.44 - Step 5: Solve for x
x = 466,098,468,086,528.44/18,722,497.80 - Step 6: Final answer
x = 24,895,100.70
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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.