Finding the Fourth Proportional to 11,995,581.44, 17,985,400.14 and 6,606,769.70
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Solution
The fourth proportional to 11,995,581.44, 17,985,400.14 and 6,606,769.70 is: 9,905,763.82
Step by Step Solution
- Step 1: Write the proportion equation
11,995,581.44 : 17,985,400.14 = 6,606,769.70 : x - Step 2: Convert to fraction form
11,995,581.44/17,985,400.14 = 6,606,769.70/x - Step 3: Cross multiply
11,995,581.44x = 17,985,400.14 × 6,606,769.70 - Step 4: Simplify right side
11,995,581.44x = 118,825,396,687,327.77 - Step 5: Solve for x
x = 118,825,396,687,327.77/11,995,581.44 - Step 6: Final answer
x = 9,905,763.82
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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.