Finding the Fourth Proportional to 21,332,177.01, 29,438,191.80 and 11,542,406.31
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Solution
The fourth proportional to 21,332,177.01, 29,438,191.80 and 11,542,406.31 is: 15,928,405.74
Step by Step Solution
- Step 1: Write the proportion equation
21,332,177.01 : 29,438,191.80 = 11,542,406.31 : x - Step 2: Convert to fraction form
21,332,177.01/29,438,191.80 = 11,542,406.31/x - Step 3: Cross multiply
21,332,177.01x = 29,438,191.80 × 11,542,406.31 - Step 4: Simplify right side
21,332,177.01x = 339,787,570,787,310.31 - Step 5: Solve for x
x = 339,787,570,787,310.31/21,332,177.01 - Step 6: Final answer
x = 15,928,405.74
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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.