Finding the Fourth Proportional to 22,195,761.08, 33,292,891.20 and 7,818,453.12
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Solution
The fourth proportional to 22,195,761.08, 33,292,891.20 and 7,818,453.12 is: 11,727,415.34
Step by Step Solution
- Step 1: Write the proportion equation
22,195,761.08 : 33,292,891.20 = 7,818,453.12 : x - Step 2: Convert to fraction form
22,195,761.08/33,292,891.20 = 7,818,453.12/x - Step 3: Cross multiply
22,195,761.08x = 33,292,891.20 × 7,818,453.12 - Step 4: Simplify right side
22,195,761.08x = 260,298,909,076,460.53 - Step 5: Solve for x
x = 260,298,909,076,460.53/22,195,761.08 - Step 6: Final answer
x = 11,727,415.34
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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.