Finding the Fourth Proportional to 8,686,229.59, 11,987,010.95 and 4,818,750.84
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Solution
The fourth proportional to 8,686,229.59, 11,987,010.95 and 4,818,750.84 is: 6,649,883.99
Step by Step Solution
- Step 1: Write the proportion equation
8,686,229.59 : 11,987,010.95 = 4,818,750.84 : x - Step 2: Convert to fraction form
8,686,229.59/11,987,010.95 = 4,818,750.84/x - Step 3: Cross multiply
8,686,229.59x = 11,987,010.95 × 4,818,750.84 - Step 4: Simplify right side
8,686,229.59x = 57,762,419,084,401.70 - Step 5: Solve for x
x = 57,762,419,084,401.70/8,686,229.59 - Step 6: Final answer
x = 6,649,883.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.