Finding the Fourth Proportional to 8,011,004.09, 11,061,521.60 and 7,398,911.99
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Solution
The fourth proportional to 8,011,004.09, 11,061,521.60 and 7,398,911.99 is: 10,216,350.40
Step by Step Solution
- Step 1: Write the proportion equation
8,011,004.09 : 11,061,521.60 = 7,398,911.99 : x - Step 2: Convert to fraction form
8,011,004.09/11,061,521.60 = 7,398,911.99/x - Step 3: Cross multiply
8,011,004.09x = 11,061,521.60 × 7,398,911.99 - Step 4: Simplify right side
8,011,004.09x = 81,843,224,784,543.23 - Step 5: Solve for x
x = 81,843,224,784,543.23/8,011,004.09 - Step 6: Final answer
x = 10,216,350.40
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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.