Finding the Fourth Proportional to 8,201,543.70, 12,302,315.55 and 6,607,220.70
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Solution
The fourth proportional to 8,201,543.70, 12,302,315.55 and 6,607,220.70 is: 9,910,831.05
Step by Step Solution
- Step 1: Write the proportion equation
8,201,543.70 : 12,302,315.55 = 6,607,220.70 : x - Step 2: Convert to fraction form
8,201,543.70/12,302,315.55 = 6,607,220.70/x - Step 3: Cross multiply
8,201,543.70x = 12,302,315.55 × 6,607,220.70 - Step 4: Simplify right side
8,201,543.70x = 81,284,113,959,891.89 - Step 5: Solve for x
x = 81,284,113,959,891.89/8,201,543.70 - Step 6: Final answer
x = 9,910,831.05
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Similar ratio
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1.5x scale
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.