Finding the Fourth Proportional to 17,875,638.80, 26,813,458.20 and 4,412,466.80
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Solution
The fourth proportional to 17,875,638.80, 26,813,458.20 and 4,412,466.80 is: 6,618,700.20
Step by Step Solution
- Step 1: Write the proportion equation
17,875,638.80 : 26,813,458.20 = 4,412,466.80 : x - Step 2: Convert to fraction form
17,875,638.80/26,813,458.20 = 4,412,466.80/x - Step 3: Cross multiply
17,875,638.80x = 26,813,458.20 × 4,412,466.80 - Step 4: Simplify right side
17,875,638.80x = 118,313,494,100,687.75 - Step 5: Solve for x
x = 118,313,494,100,687.75/17,875,638.80 - Step 6: Final answer
x = 6,618,700.20
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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.