Finding the Fourth Proportional to 8,059,971.90, 12,087,135.45 and 2,378,691.90
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Solution
The fourth proportional to 8,059,971.90, 12,087,135.45 and 2,378,691.90 is: 3,567,204.89
Step by Step Solution
- Step 1: Write the proportion equation
8,059,971.90 : 12,087,135.45 = 2,378,691.90 : x - Step 2: Convert to fraction form
8,059,971.90/12,087,135.45 = 2,378,691.90/x - Step 3: Cross multiply
8,059,971.90x = 12,087,135.45 × 2,378,691.90 - Step 4: Simplify right side
8,059,971.90x = 28,751,571,189,117.85 - Step 5: Solve for x
x = 28,751,571,189,117.85/8,059,971.90 - Step 6: Final answer
x = 3,567,204.89
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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.