Finding the Fourth Proportional to 8,851,969.58, 12,216,882.12 and 4,985,246.66
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Solution
The fourth proportional to 8,851,969.58, 12,216,882.12 and 4,985,246.66 is: 6,880,295.99
Step by Step Solution
- Step 1: Write the proportion equation
8,851,969.58 : 12,216,882.12 = 4,985,246.66 : x - Step 2: Convert to fraction form
8,851,969.58/12,216,882.12 = 4,985,246.66/x - Step 3: Cross multiply
8,851,969.58x = 12,216,882.12 × 4,985,246.66 - Step 4: Simplify right side
8,851,969.58x = 60,904,170,784,343.72 - Step 5: Solve for x
x = 60,904,170,784,343.72/8,851,969.58 - Step 6: Final answer
x = 6,880,295.99
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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.