Finding the Fourth Proportional to 30,919,295.28, 46,170,730.20 and 25,250,764.08
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Solution
The fourth proportional to 30,919,295.28, 46,170,730.20 and 25,250,764.08 is: 37,706,105.69
Step by Step Solution
- Step 1: Write the proportion equation
30,919,295.28 : 46,170,730.20 = 25,250,764.08 : x - Step 2: Convert to fraction form
30,919,295.28/46,170,730.20 = 25,250,764.08/x - Step 3: Cross multiply
30,919,295.28x = 46,170,730.20 × 25,250,764.08 - Step 4: Simplify right side
30,919,295.28x = 1,165,846,215,681,531.25 - Step 5: Solve for x
x = 1,165,846,215,681,531.25/30,919,295.28 - Step 6: Final answer
x = 37,706,105.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.