Finding the Fourth Proportional to 31,101,129.64, 46,651,528.28 and 8,072,047.32
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Solution
The fourth proportional to 31,101,129.64, 46,651,528.28 and 8,072,047.32 is: 12,108,027.85
Step by Step Solution
- Step 1: Write the proportion equation
31,101,129.64 : 46,651,528.28 = 8,072,047.32 : x - Step 2: Convert to fraction form
31,101,129.64/46,651,528.28 = 8,072,047.32/x - Step 3: Cross multiply
31,101,129.64x = 46,651,528.28 × 8,072,047.32 - Step 4: Simplify right side
31,101,129.64x = 376,573,343,826,478.25 - Step 5: Solve for x
x = 376,573,343,826,478.25/31,101,129.64 - Step 6: Final answer
x = 12,108,027.85
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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.