Finding the Fourth Proportional to 8,478,622.24, 11,700,385.62 and 4,611,060.16
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Solution
The fourth proportional to 8,478,622.24, 11,700,385.62 and 4,611,060.16 is: 6,363,201.53
Step by Step Solution
- Step 1: Write the proportion equation
8,478,622.24 : 11,700,385.62 = 4,611,060.16 : x - Step 2: Convert to fraction form
8,478,622.24/11,700,385.62 = 4,611,060.16/x - Step 3: Cross multiply
8,478,622.24x = 11,700,385.62 × 4,611,060.16 - Step 4: Simplify right side
8,478,622.24x = 53,951,181,989,018.90 - Step 5: Solve for x
x = 53,951,181,989,018.90/8,478,622.24 - Step 6: Final answer
x = 6,363,201.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.