Finding the Fourth Proportional to 32,563,693.80, 48,845,540.70 and 13,388,077.80
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Solution
The fourth proportional to 32,563,693.80, 48,845,540.70 and 13,388,077.80 is: 20,082,116.70
Step by Step Solution
- Step 1: Write the proportion equation
32,563,693.80 : 48,845,540.70 = 13,388,077.80 : x - Step 2: Convert to fraction form
32,563,693.80/48,845,540.70 = 13,388,077.80/x - Step 3: Cross multiply
32,563,693.80x = 48,845,540.70 × 13,388,077.80 - Step 4: Simplify right side
32,563,693.80x = 653,947,899,074,666.50 - Step 5: Solve for x
x = 653,947,899,074,666.50/32,563,693.80 - Step 6: Final answer
x = 20,082,116.70
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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.