Finding the Fourth Proportional to 35,242,784.43, 52,867,002.53 and 13,393,630.99
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Solution
The fourth proportional to 35,242,784.43, 52,867,002.53 and 13,393,630.99 is: 20,091,520.43
Step by Step Solution
- Step 1: Write the proportion equation
35,242,784.43 : 52,867,002.53 = 13,393,630.99 : x - Step 2: Convert to fraction form
35,242,784.43/52,867,002.53 = 13,393,630.99/x - Step 3: Cross multiply
35,242,784.43x = 52,867,002.53 × 13,393,630.99 - Step 4: Simplify right side
35,242,784.43x = 708,081,123,434,216.38 - Step 5: Solve for x
x = 708,081,123,434,216.38/35,242,784.43 - Step 6: Final answer
x = 20,091,520.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.