Finding the Fourth Proportional to 16,403,207.20, 24,604,810.80 and 8,440,583.20
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Solution
The fourth proportional to 16,403,207.20, 24,604,810.80 and 8,440,583.20 is: 12,660,874.80
Step by Step Solution
- Step 1: Write the proportion equation
16,403,207.20 : 24,604,810.80 = 8,440,583.20 : x - Step 2: Convert to fraction form
16,403,207.20/24,604,810.80 = 8,440,583.20/x - Step 3: Cross multiply
16,403,207.20x = 24,604,810.80 × 8,440,583.20 - Step 4: Simplify right side
16,403,207.20x = 207,678,952,677,658.56 - Step 5: Solve for x
x = 207,678,952,677,658.56/16,403,207.20 - Step 6: Final answer
x = 12,660,874.80
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1.5x scale
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.