Finding the Fourth Proportional to 11,299,796.52, 15,593,896.62 and 6,143,177.76
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Solution
The fourth proportional to 11,299,796.52, 15,593,896.62 and 6,143,177.76 is: 8,477,681.77
Step by Step Solution
- Step 1: Write the proportion equation
11,299,796.52 : 15,593,896.62 = 6,143,177.76 : x - Step 2: Convert to fraction form
11,299,796.52/15,593,896.62 = 6,143,177.76/x - Step 3: Cross multiply
11,299,796.52x = 15,593,896.62 × 6,143,177.76 - Step 4: Simplify right side
11,299,796.52x = 95,796,078,907,723.16 - Step 5: Solve for x
x = 95,796,078,907,723.16/11,299,796.52 - Step 6: Final answer
x = 8,477,681.77
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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.