Finding the Fourth Proportional to 8,933,767.68, 12,330,789.12 and 5,068,551.36
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Solution
The fourth proportional to 8,933,767.68, 12,330,789.12 and 5,068,551.36 is: 6,995,843.21
Step by Step Solution
- Step 1: Write the proportion equation
8,933,767.68 : 12,330,789.12 = 5,068,551.36 : x - Step 2: Convert to fraction form
8,933,767.68/12,330,789.12 = 5,068,551.36/x - Step 3: Cross multiply
8,933,767.68x = 12,330,789.12 × 5,068,551.36 - Step 4: Simplify right side
8,933,767.68x = 62,499,237,964,049.20 - Step 5: Solve for x
x = 62,499,237,964,049.20/8,933,767.68 - Step 6: Final answer
x = 6,995,843.21
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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.