Finding the Fourth Proportional to 11,808,794.40, 17,713,191.60 and 7,553,767.20
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Solution
The fourth proportional to 11,808,794.40, 17,713,191.60 and 7,553,767.20 is: 11,330,650.80
Step by Step Solution
- Step 1: Write the proportion equation
11,808,794.40 : 17,713,191.60 = 7,553,767.20 : x - Step 2: Convert to fraction form
11,808,794.40/17,713,191.60 = 7,553,767.20/x - Step 3: Cross multiply
11,808,794.40x = 17,713,191.60 × 7,553,767.20 - Step 4: Simplify right side
11,808,794.40x = 133,801,325,715,395.53 - Step 5: Solve for x
x = 133,801,325,715,395.53/11,808,794.40 - Step 6: Final answer
x = 11,330,650.80
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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.