Finding the Fourth Proportional to 37,921,195.97, 52,331,249.63 and 20,517,541.19
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Solution
The fourth proportional to 37,921,195.97, 52,331,249.63 and 20,517,541.19 is: 28,314,206.41
Step by Step Solution
- Step 1: Write the proportion equation
37,921,195.97 : 52,331,249.63 = 20,517,541.19 : x - Step 2: Convert to fraction form
37,921,195.97/52,331,249.63 = 20,517,541.19/x - Step 3: Cross multiply
37,921,195.97x = 52,331,249.63 × 20,517,541.19 - Step 4: Simplify right side
37,921,195.97x = 1,073,708,569,972,529.12 - Step 5: Solve for x
x = 1,073,708,569,972,529.12/37,921,195.97 - Step 6: Final answer
x = 28,314,206.41
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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.