Finding the Fourth Proportional to 32,190,319.76, 44,414,865.48 and 20,425,298.48
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Solution
The fourth proportional to 32,190,319.76, 44,414,865.48 and 20,425,298.48 is: 28,181,978.03
Step by Step Solution
- Step 1: Write the proportion equation
32,190,319.76 : 44,414,865.48 = 20,425,298.48 : x - Step 2: Convert to fraction form
32,190,319.76/44,414,865.48 = 20,425,298.48/x - Step 3: Cross multiply
32,190,319.76x = 44,414,865.48 × 20,425,298.48 - Step 4: Simplify right side
32,190,319.76x = 907,186,884,378,048.38 - Step 5: Solve for x
x = 907,186,884,378,048.38/32,190,319.76 - Step 6: Final answer
x = 28,181,978.03
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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.