Finding the Fourth Proportional to 8,177,767.64, 11,277,664.56 and 6,462,984.68
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Solution
The fourth proportional to 8,177,767.64, 11,277,664.56 and 6,462,984.68 is: 8,912,869.19
Step by Step Solution
- Step 1: Write the proportion equation
8,177,767.64 : 11,277,664.56 = 6,462,984.68 : x - Step 2: Convert to fraction form
8,177,767.64/11,277,664.56 = 6,462,984.68/x - Step 3: Cross multiply
8,177,767.64x = 11,277,664.56 × 6,462,984.68 - Step 4: Simplify right side
8,177,767.64x = 72,887,373,277,458.94 - Step 5: Solve for x
x = 72,887,373,277,458.94/8,177,767.64 - Step 6: Final answer
x = 8,912,869.19
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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.