Finding the Fourth Proportional to 35,369,492.87, 48,809,400.20 and 19,899,540.61
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Solution
The fourth proportional to 35,369,492.87, 48,809,400.20 and 19,899,540.61 is: 27,461,084.75
Step by Step Solution
- Step 1: Write the proportion equation
35,369,492.87 : 48,809,400.20 = 19,899,540.61 : x - Step 2: Convert to fraction form
35,369,492.87/48,809,400.20 = 19,899,540.61/x - Step 3: Cross multiply
35,369,492.87x = 48,809,400.20 × 19,899,540.61 - Step 4: Simplify right side
35,369,492.87x = 971,284,641,282,744.25 - Step 5: Solve for x
x = 971,284,641,282,744.25/35,369,492.87 - Step 6: Final answer
x = 27,461,084.75
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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.