Finding the Fourth Proportional to 35,513,325.38, 48,994,839.33 and 21,569,420.71
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Solution
The fourth proportional to 35,513,325.38, 48,994,839.33 and 21,569,420.71 is: 29,757,571.02
Step by Step Solution
- Step 1: Write the proportion equation
35,513,325.38 : 48,994,839.33 = 21,569,420.71 : x - Step 2: Convert to fraction form
35,513,325.38/48,994,839.33 = 21,569,420.71/x - Step 3: Cross multiply
35,513,325.38x = 48,994,839.33 × 21,569,420.71 - Step 4: Simplify right side
35,513,325.38x = 1,056,790,302,107,982.75 - Step 5: Solve for x
x = 1,056,790,302,107,982.75/35,513,325.38 - Step 6: Final answer
x = 29,757,571.02
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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.