Finding the Fourth Proportional to 31,439,736.64, 47,159,602.08 and 8,720,634.88
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Solution
The fourth proportional to 31,439,736.64, 47,159,602.08 and 8,720,634.88 is: 13,080,951.52
Step by Step Solution
- Step 1: Write the proportion equation
31,439,736.64 : 47,159,602.08 = 8,720,634.88 : x - Step 2: Convert to fraction form
31,439,736.64/47,159,602.08 = 8,720,634.88/x - Step 3: Cross multiply
31,439,736.64x = 47,159,602.08 × 8,720,634.88 - Step 4: Simplify right side
31,439,736.64x = 411,261,670,825,768.56 - Step 5: Solve for x
x = 411,261,670,825,768.56/31,439,736.64 - Step 6: Final answer
x = 13,080,951.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.