Finding the Fourth Proportional to 7,767,555.51, 11,651,316.24 and 2,087,779.62
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Solution
The fourth proportional to 7,767,555.51, 11,651,316.24 and 2,087,779.62 is: 3,131,664.85
Step by Step Solution
- Step 1: Write the proportion equation
7,767,555.51 : 11,651,316.24 = 2,087,779.62 : x - Step 2: Convert to fraction form
7,767,555.51/11,651,316.24 = 2,087,779.62/x - Step 3: Cross multiply
7,767,555.51x = 11,651,316.24 × 2,087,779.62 - Step 4: Simplify right side
7,767,555.51x = 24,325,380,592,047.03 - Step 5: Solve for x
x = 24,325,380,592,047.03/7,767,555.51 - Step 6: Final answer
x = 3,131,664.85
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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.