Finding the Fourth Proportional to 17,000,021.79, 25,497,541.36 and 8,361,803.55
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Solution
The fourth proportional to 17,000,021.79, 25,497,541.36 and 8,361,803.55 is: 12,541,479.92
Step by Step Solution
- Step 1: Write the proportion equation
17,000,021.79 : 25,497,541.36 = 8,361,803.55 : x - Step 2: Convert to fraction form
17,000,021.79/25,497,541.36 = 8,361,803.55/x - Step 3: Cross multiply
17,000,021.79x = 25,497,541.36 × 8,361,803.55 - Step 4: Simplify right side
17,000,021.79x = 213,205,431,860,319.81 - Step 5: Solve for x
x = 213,205,431,860,319.81/17,000,021.79 - Step 6: Final answer
x = 12,541,479.92
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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.