Finding the Fourth Proportional to 34,163,593.28, 47,145,758.72 and 18,693,677.96
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Solution
The fourth proportional to 34,163,593.28, 47,145,758.72 and 18,693,677.96 is: 25,797,275.58
Step by Step Solution
- Step 1: Write the proportion equation
34,163,593.28 : 47,145,758.72 = 18,693,677.96 : x - Step 2: Convert to fraction form
34,163,593.28/47,145,758.72 = 18,693,677.96/x - Step 3: Cross multiply
34,163,593.28x = 47,145,758.72 × 18,693,677.96 - Step 4: Simplify right side
34,163,593.28x = 881,327,630,691,541.88 - Step 5: Solve for x
x = 881,327,630,691,541.88/34,163,593.28 - Step 6: Final answer
x = 25,797,275.58
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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.