Finding the Fourth Proportional to 7,126,380.91, 9,832,093.55 and 4,028,604.76
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Solution
The fourth proportional to 7,126,380.91, 9,832,093.55 and 4,028,604.76 is: 5,558,167.51
Step by Step Solution
- Step 1: Write the proportion equation
7,126,380.91 : 9,832,093.55 = 4,028,604.76 : x - Step 2: Convert to fraction form
7,126,380.91/9,832,093.55 = 4,028,604.76/x - Step 3: Cross multiply
7,126,380.91x = 9,832,093.55 × 4,028,604.76 - Step 4: Simplify right side
7,126,380.91x = 39,609,618,827,134.84 - Step 5: Solve for x
x = 39,609,618,827,134.84/7,126,380.91 - Step 6: Final answer
x = 5,558,167.51
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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.