Finding the Fourth Proportional to 11,150,813.80, 16,726,220.70 and 6,899,285.80
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Solution
The fourth proportional to 11,150,813.80, 16,726,220.70 and 6,899,285.80 is: 10,348,928.70
Step by Step Solution
- Step 1: Write the proportion equation
11,150,813.80 : 16,726,220.70 = 6,899,285.80 : x - Step 2: Convert to fraction form
11,150,813.80/16,726,220.70 = 6,899,285.80/x - Step 3: Cross multiply
11,150,813.80x = 16,726,220.70 × 6,899,285.80 - Step 4: Simplify right side
11,150,813.80x = 115,398,976,963,176.05 - Step 5: Solve for x
x = 115,398,976,963,176.05/11,150,813.80 - Step 6: Final answer
x = 10,348,928.70
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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.