Finding the Fourth Proportional to 29,569,314.80, 44,358,436.84 and 12,530,057.20
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Solution
The fourth proportional to 29,569,314.80, 44,358,436.84 and 12,530,057.20 is: 18,796,977.70
Step by Step Solution
- Step 1: Write the proportion equation
29,569,314.80 : 44,358,436.84 = 12,530,057.20 : x - Step 2: Convert to fraction form
29,569,314.80/44,358,436.84 = 12,530,057.20/x - Step 3: Cross multiply
29,569,314.80x = 44,358,436.84 × 12,530,057.20 - Step 4: Simplify right side
29,569,314.80x = 555,813,750,907,787.25 - Step 5: Solve for x
x = 555,813,750,907,787.25/29,569,314.80 - Step 6: Final answer
x = 18,796,977.70
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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.