Finding the Fourth Proportional to 16,049,237.88, 22,147,945.68 and 9,173,867.56
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Solution
The fourth proportional to 16,049,237.88, 22,147,945.68 and 9,173,867.56 is: 12,659,935.75
Step by Step Solution
- Step 1: Write the proportion equation
16,049,237.88 : 22,147,945.68 = 9,173,867.56 : x - Step 2: Convert to fraction form
16,049,237.88/22,147,945.68 = 9,173,867.56/x - Step 3: Cross multiply
16,049,237.88x = 22,147,945.68 × 9,173,867.56 - Step 4: Simplify right side
16,049,237.88x = 203,182,320,394,394.16 - Step 5: Solve for x
x = 203,182,320,394,394.16/16,049,237.88 - Step 6: Final answer
x = 12,659,935.75
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1.5x scale
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.