Finding the Fourth Proportional to 10,244,919.38, 14,137,993.79 and 5,661,240.75
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Solution
The fourth proportional to 10,244,919.38, 14,137,993.79 and 5,661,240.75 is: 7,812,515.02
Step by Step Solution
- Step 1: Write the proportion equation
10,244,919.38 : 14,137,993.79 = 5,661,240.75 : x - Step 2: Convert to fraction form
10,244,919.38/14,137,993.79 = 5,661,240.75/x - Step 3: Cross multiply
10,244,919.38x = 14,137,993.79 × 5,661,240.75 - Step 4: Simplify right side
10,244,919.38x = 80,038,586,538,888.73 - Step 5: Solve for x
x = 80,038,586,538,888.73/10,244,919.38 - Step 6: Final answer
x = 7,812,515.02
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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.