Finding the Fourth Proportional to 32,438,947.11, 44,760,931.61 and 19,702,028.67
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Solution
The fourth proportional to 32,438,947.11, 44,760,931.61 and 19,702,028.67 is: 27,185,874.89
Step by Step Solution
- Step 1: Write the proportion equation
32,438,947.11 : 44,760,931.61 = 19,702,028.67 : x - Step 2: Convert to fraction form
32,438,947.11/44,760,931.61 = 19,702,028.67/x - Step 3: Cross multiply
32,438,947.11x = 44,760,931.61 × 19,702,028.67 - Step 4: Simplify right side
32,438,947.11x = 881,881,157,720,589.62 - Step 5: Solve for x
x = 881,881,157,720,589.62/32,438,947.11 - Step 6: Final answer
x = 27,185,874.89
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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.