Finding the Fourth Proportional to 19,738,801.80, 29,608,202.70 and 6,955,057.80
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Solution
The fourth proportional to 19,738,801.80, 29,608,202.70 and 6,955,057.80 is: 10,432,586.70
Step by Step Solution
- Step 1: Write the proportion equation
19,738,801.80 : 29,608,202.70 = 6,955,057.80 : x - Step 2: Convert to fraction form
19,738,801.80/29,608,202.70 = 6,955,057.80/x - Step 3: Cross multiply
19,738,801.80x = 29,608,202.70 × 6,955,057.80 - Step 4: Simplify right side
19,738,801.80x = 205,926,761,132,616.06 - Step 5: Solve for x
x = 205,926,761,132,616.06/19,738,801.80 - Step 6: Final answer
x = 10,432,586.70
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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.