Finding the Fourth Proportional to 8,084,233.20, 12,126,349.80 and 7,340,215.80
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Solution
The fourth proportional to 8,084,233.20, 12,126,349.80 and 7,340,215.80 is: 11,010,323.70
Step by Step Solution
- Step 1: Write the proportion equation
8,084,233.20 : 12,126,349.80 = 7,340,215.80 : x - Step 2: Convert to fraction form
8,084,233.20/12,126,349.80 = 7,340,215.80/x - Step 3: Cross multiply
8,084,233.20x = 12,126,349.80 × 7,340,215.80 - Step 4: Simplify right side
8,084,233.20x = 89,010,024,398,286.84 - Step 5: Solve for x
x = 89,010,024,398,286.84/8,084,233.20 - Step 6: Final answer
x = 11,010,323.70
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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.