Finding the Fourth Proportional to 36,478,828.72, 50,341,414.08 and 19,960,396.99
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Solution
The fourth proportional to 36,478,828.72, 50,341,414.08 and 19,960,396.99 is: 27,545,692.81
Step by Step Solution
- Step 1: Write the proportion equation
36,478,828.72 : 50,341,414.08 = 19,960,396.99 : x - Step 2: Convert to fraction form
36,478,828.72/50,341,414.08 = 19,960,396.99/x - Step 3: Cross multiply
36,478,828.72x = 50,341,414.08 × 19,960,396.99 - Step 4: Simplify right side
36,478,828.72x = 1,004,834,610,074,775.50 - Step 5: Solve for x
x = 1,004,834,610,074,775.50/36,478,828.72 - Step 6: Final answer
x = 27,545,692.81
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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.