Finding the Fourth Proportional to 8,447,924.16, 11,659,742.64 and 5,012,059.68
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Solution
The fourth proportional to 8,447,924.16, 11,659,742.64 and 5,012,059.68 is: 6,917,595.95
Step by Step Solution
- Step 1: Write the proportion equation
8,447,924.16 : 11,659,742.64 = 5,012,059.68 : x - Step 2: Convert to fraction form
8,447,924.16/11,659,742.64 = 5,012,059.68/x - Step 3: Cross multiply
8,447,924.16x = 11,659,742.64 × 5,012,059.68 - Step 4: Simplify right side
8,447,924.16x = 58,439,325,965,120.76 - Step 5: Solve for x
x = 58,439,325,965,120.76/8,447,924.16 - Step 6: Final answer
x = 6,917,595.95
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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.