Finding the Fourth Proportional to 32,080,803.20, 48,121,204.80 and 19,326,219.20
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Solution
The fourth proportional to 32,080,803.20, 48,121,204.80 and 19,326,219.20 is: 28,989,328.80
Step by Step Solution
- Step 1: Write the proportion equation
32,080,803.20 : 48,121,204.80 = 19,326,219.20 : x - Step 2: Convert to fraction form
32,080,803.20/48,121,204.80 = 19,326,219.20/x - Step 3: Cross multiply
32,080,803.20x = 48,121,204.80 × 19,326,219.20 - Step 4: Simplify right side
32,080,803.20x = 930,000,952,132,892.12 - Step 5: Solve for x
x = 930,000,952,132,892.12/32,080,803.20 - Step 6: Final answer
x = 28,989,328.80
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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.