Finding the Fourth Proportional to 38,520,480.78, 53,115,571.89 and 24,559,722.54
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Solution
The fourth proportional to 38,520,480.78, 53,115,571.89 and 24,559,722.54 is: 33,865,197.99
Step by Step Solution
- Step 1: Write the proportion equation
38,520,480.78 : 53,115,571.89 = 24,559,722.54 : x - Step 2: Convert to fraction form
38,520,480.78/53,115,571.89 = 24,559,722.54/x - Step 3: Cross multiply
38,520,480.78x = 53,115,571.89 × 24,559,722.54 - Step 4: Simplify right side
38,520,480.78x = 1,304,503,708,171,823.25 - Step 5: Solve for x
x = 1,304,503,708,171,823.25/38,520,480.78 - Step 6: Final answer
x = 33,865,197.99
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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.