Finding the Fourth Proportional to 8,292,973.02, 11,444,359.58 and 4,622,126.09
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Solution
The fourth proportional to 8,292,973.02, 11,444,359.58 and 4,622,126.09 is: 6,378,565.67
Step by Step Solution
- Step 1: Write the proportion equation
8,292,973.02 : 11,444,359.58 = 4,622,126.09 : x - Step 2: Convert to fraction form
8,292,973.02/11,444,359.58 = 4,622,126.09/x - Step 3: Cross multiply
8,292,973.02x = 11,444,359.58 × 4,622,126.09 - Step 4: Simplify right side
8,292,973.02x = 52,897,272,998,059.44 - Step 5: Solve for x
x = 52,897,272,998,059.44/8,292,973.02 - Step 6: Final answer
x = 6,378,565.67
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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.