Finding the Fourth Proportional to 31,824,923.40, 47,625,410.70 and 29,137,537.80
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Solution
The fourth proportional to 31,824,923.40, 47,625,410.70 and 29,137,537.80 is: 43,603,787.73
Step by Step Solution
- Step 1: Write the proportion equation
31,824,923.40 : 47,625,410.70 = 29,137,537.80 : x - Step 2: Convert to fraction form
31,824,923.40/47,625,410.70 = 29,137,537.80/x - Step 3: Cross multiply
31,824,923.40x = 47,625,410.70 × 29,137,537.80 - Step 4: Simplify right side
31,824,923.40x = 1,387,687,204,511,774.50 - Step 5: Solve for x
x = 1,387,687,204,511,774.50/31,824,923.40 - Step 6: Final answer
x = 43,603,787.73
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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.