Finding the Fourth Proportional to 26,807,784.81, 40,193,319.60 and 13,651,736.31
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Solution
The fourth proportional to 26,807,784.81, 40,193,319.60 and 13,651,736.31 is: 20,468,255.94
Step by Step Solution
- Step 1: Write the proportion equation
26,807,784.81 : 40,193,319.60 = 13,651,736.31 : x - Step 2: Convert to fraction form
26,807,784.81/40,193,319.60 = 13,651,736.31/x - Step 3: Cross multiply
26,807,784.81x = 40,193,319.60 × 13,651,736.31 - Step 4: Simplify right side
26,807,784.81x = 548,708,600,602,754.69 - Step 5: Solve for x
x = 548,708,600,602,754.69/26,807,784.81 - Step 6: Final answer
x = 20,468,255.94
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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.