Finding the Fourth Proportional to 8,958,987.75, 13,438,532.67 and 2,227,401.75
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Solution
The fourth proportional to 8,958,987.75, 13,438,532.67 and 2,227,401.75 is: 3,341,115.32
Step by Step Solution
- Step 1: Write the proportion equation
8,958,987.75 : 13,438,532.67 = 2,227,401.75 : x - Step 2: Convert to fraction form
8,958,987.75/13,438,532.67 = 2,227,401.75/x - Step 3: Cross multiply
8,958,987.75x = 13,438,532.67 × 2,227,401.75 - Step 4: Simplify right side
8,958,987.75x = 29,933,011,186,590.17 - Step 5: Solve for x
x = 29,933,011,186,590.17/8,958,987.75 - Step 6: Final answer
x = 3,341,115.32
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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.