Finding the Fourth Proportional to 8,318,622.66, 11,477,731.91 and 4,831,889.66
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Solution
The fourth proportional to 8,318,622.66, 11,477,731.91 and 4,831,889.66 is: 6,666,864.99
Step by Step Solution
- Step 1: Write the proportion equation
8,318,622.66 : 11,477,731.91 = 4,831,889.66 : x - Step 2: Convert to fraction form
8,318,622.66/11,477,731.91 = 4,831,889.66/x - Step 3: Cross multiply
8,318,622.66x = 11,477,731.91 × 4,831,889.66 - Step 4: Simplify right side
8,318,622.66x = 55,459,134,136,181.05 - Step 5: Solve for x
x = 55,459,134,136,181.05/8,318,622.66 - Step 6: Final answer
x = 6,666,864.99
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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.