Finding the Fourth Proportional to 51,603,794.73, 71,213,215.82 and 28,398,921.62
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Solution
The fourth proportional to 51,603,794.73, 71,213,215.82 and 28,398,921.62 is: 39,190,500.32
Step by Step Solution
- Step 1: Write the proportion equation
51,603,794.73 : 71,213,215.82 = 28,398,921.62 : x - Step 2: Convert to fraction form
51,603,794.73/71,213,215.82 = 28,398,921.62/x - Step 3: Cross multiply
51,603,794.73x = 71,213,215.82 × 28,398,921.62 - Step 4: Simplify right side
51,603,794.73x = 2,022,378,533,882,263.25 - Step 5: Solve for x
x = 2,022,378,533,882,263.25/51,603,794.73 - Step 6: Final answer
x = 39,190,500.32
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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.