Finding the Fourth Proportional to 8,041,887.40, 12,064,580.70 and 2,649,620.20
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Solution
The fourth proportional to 8,041,887.40, 12,064,580.70 and 2,649,620.20 is: 3,975,006.75
Step by Step Solution
- Step 1: Write the proportion equation
8,041,887.40 : 12,064,580.70 = 2,649,620.20 : x - Step 2: Convert to fraction form
8,041,887.40/12,064,580.70 = 2,649,620.20/x - Step 3: Cross multiply
8,041,887.40x = 12,064,580.70 × 2,649,620.20 - Step 4: Simplify right side
8,041,887.40x = 31,966,556,727,250.14 - Step 5: Solve for x
x = 31,966,556,727,250.14/8,041,887.40 - Step 6: Final answer
x = 3,975,006.75
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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.