Finding the Fourth Proportional to 31,651,951.28, 47,471,283.12 and 8,927,534.24
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Solution
The fourth proportional to 31,651,951.28, 47,471,283.12 and 8,927,534.24 is: 13,389,427.45
Step by Step Solution
- Step 1: Write the proportion equation
31,651,951.28 : 47,471,283.12 = 8,927,534.24 : x - Step 2: Convert to fraction form
31,651,951.28/47,471,283.12 = 8,927,534.24/x - Step 3: Cross multiply
31,651,951.28x = 47,471,283.12 × 8,927,534.24 - Step 4: Simplify right side
31,651,951.28x = 423,801,505,470,534 - Step 5: Solve for x
x = 423,801,505,470,534/31,651,951.28 - Step 6: Final answer
x = 13,389,427.45
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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.