Finding the Fourth Proportional to 9,192,231.09, 12,684,869.06 and 5,269,174.20
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Solution
The fourth proportional to 9,192,231.09, 12,684,869.06 and 5,269,174.20 is: 7,271,225.46
Step by Step Solution
- Step 1: Write the proportion equation
9,192,231.09 : 12,684,869.06 = 5,269,174.20 : x - Step 2: Convert to fraction form
9,192,231.09/12,684,869.06 = 5,269,174.20/x - Step 3: Cross multiply
9,192,231.09x = 12,684,869.06 × 5,269,174.20 - Step 4: Simplify right side
9,192,231.09x = 66,838,784,754,984.38 - Step 5: Solve for x
x = 66,838,784,754,984.38/9,192,231.09 - Step 6: Final answer
x = 7,271,225.46
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1.5x scale
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.