Finding the Fourth Proportional to 11,571,456.91, 17,358,129.90 and 5,811,228.09
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Solution
The fourth proportional to 11,571,456.91, 17,358,129.90 and 5,811,228.09 is: 8,717,316.48
Step by Step Solution
- Step 1: Write the proportion equation
11,571,456.91 : 17,358,129.90 = 5,811,228.09 : x - Step 2: Convert to fraction form
11,571,456.91/17,358,129.90 = 5,811,228.09/x - Step 3: Cross multiply
11,571,456.91x = 17,358,129.90 × 5,811,228.09 - Step 4: Simplify right side
11,571,456.91x = 100,872,052,064,748.88 - Step 5: Solve for x
x = 100,872,052,064,748.88/11,571,456.91 - Step 6: Final answer
x = 8,717,316.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.