Finding the Fourth Proportional to 39,036,340.36, 53,869,492.02 and 21,632,650.12
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Solution
The fourth proportional to 39,036,340.36, 53,869,492.02 and 21,632,650.12 is: 29,852,692.70
Step by Step Solution
- Step 1: Write the proportion equation
39,036,340.36 : 53,869,492.02 = 21,632,650.12 : x - Step 2: Convert to fraction form
39,036,340.36/53,869,492.02 = 21,632,650.12/x - Step 3: Cross multiply
39,036,340.36x = 53,869,492.02 × 21,632,650.12 - Step 4: Simplify right side
39,036,340.36x = 1,165,339,873,010,792.25 - Step 5: Solve for x
x = 1,165,339,873,010,792.25/39,036,340.36 - Step 6: Final answer
x = 29,852,692.70
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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.