Finding the Fourth Proportional to 8,318,621.16, 11,477,729.84 and 4,831,888.16
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Solution
The fourth proportional to 8,318,621.16, 11,477,729.84 and 4,831,888.16 is: 6,666,862.92
Step by Step Solution
- Step 1: Write the proportion equation
8,318,621.16 : 11,477,729.84 = 4,831,888.16 : x - Step 2: Convert to fraction form
8,318,621.16/11,477,729.84 = 4,831,888.16/x - Step 3: Cross multiply
8,318,621.16x = 11,477,729.84 × 4,831,888.16 - Step 4: Simplify right side
8,318,621.16x = 55,459,106,917,574.70 - Step 5: Solve for x
x = 55,459,106,917,574.70/8,318,621.16 - Step 6: Final answer
x = 6,666,862.92
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1.5x scale
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.