Finding the Fourth Proportional to 32,169,202.88, 44,393,291.76 and 18,420,824.18
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Solution
The fourth proportional to 32,169,202.88, 44,393,291.76 and 18,420,824.18 is: 25,420,618.14
Step by Step Solution
- Step 1: Write the proportion equation
32,169,202.88 : 44,393,291.76 = 18,420,824.18 : x - Step 2: Convert to fraction form
32,169,202.88/44,393,291.76 = 18,420,824.18/x - Step 3: Cross multiply
32,169,202.88x = 44,393,291.76 × 18,420,824.18 - Step 4: Simplify right side
32,169,202.88x = 817,761,022,282,402.75 - Step 5: Solve for x
x = 817,761,022,282,402.75/32,169,202.88 - Step 6: Final answer
x = 25,420,618.14
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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.