Finding the Fourth Proportional to 18,107,008.32, 27,163,869.12 and 5,977,315.20
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Solution
The fourth proportional to 18,107,008.32, 27,163,869.12 and 5,977,315.20 is: 8,967,080.86
Step by Step Solution
- Step 1: Write the proportion equation
18,107,008.32 : 27,163,869.12 = 5,977,315.20 : x - Step 2: Convert to fraction form
18,107,008.32/27,163,869.12 = 5,977,315.20/x - Step 3: Cross multiply
18,107,008.32x = 27,163,869.12 × 5,977,315.20 - Step 4: Simplify right side
18,107,008.32x = 162,367,007,781,786.62 - Step 5: Solve for x
x = 162,367,007,781,786.62/18,107,008.32 - Step 6: Final answer
x = 8,967,080.86
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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.