Finding the Fourth Proportional to 25,087,769.12, 37,631,660.16 and 7,136,873.12
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Solution
The fourth proportional to 25,087,769.12, 37,631,660.16 and 7,136,873.12 is: 10,705,311.52
Step by Step Solution
- Step 1: Write the proportion equation
25,087,769.12 : 37,631,660.16 = 7,136,873.12 : x - Step 2: Convert to fraction form
25,087,769.12/37,631,660.16 = 7,136,873.12/x - Step 3: Cross multiply
25,087,769.12x = 37,631,660.16 × 7,136,873.12 - Step 4: Simplify right side
25,087,769.12x = 268,572,383,856,878.88 - Step 5: Solve for x
x = 268,572,383,856,878.88/25,087,769.12 - Step 6: Final answer
x = 10,705,311.52
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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.