Finding the Fourth Proportional to 31,595,718.40, 47,393,577.60 and 22,021,907.20
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Solution
The fourth proportional to 31,595,718.40, 47,393,577.60 and 22,021,907.20 is: 33,032,860.80
Step by Step Solution
- Step 1: Write the proportion equation
31,595,718.40 : 47,393,577.60 = 22,021,907.20 : x - Step 2: Convert to fraction form
31,595,718.40/47,393,577.60 = 22,021,907.20/x - Step 3: Cross multiply
31,595,718.40x = 47,393,577.60 × 22,021,907.20 - Step 4: Simplify right side
31,595,718.40x = 1,043,696,967,783,198.75 - Step 5: Solve for x
x = 1,043,696,967,783,198.75/31,595,718.40 - Step 6: Final answer
x = 33,032,860.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.