Finding the Fourth Proportional to 34,396,633.74, 47,465,931.36 and 18,715,722.75
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Solution
The fourth proportional to 34,396,633.74, 47,465,931.36 and 18,715,722.75 is: 25,826,923.01
Step by Step Solution
- Step 1: Write the proportion equation
34,396,633.74 : 47,465,931.36 = 18,715,722.75 : x - Step 2: Convert to fraction form
34,396,633.74/47,465,931.36 = 18,715,722.75/x - Step 3: Cross multiply
34,396,633.74x = 47,465,931.36 × 18,715,722.75 - Step 4: Simplify right side
34,396,633.74x = 888,359,211,404,290.38 - Step 5: Solve for x
x = 888,359,211,404,290.38/34,396,633.74 - Step 6: Final answer
x = 25,826,923.01
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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.