Finding the Fourth Proportional to 43,628,553.80, 65,442,830.70 and 14,865,129.80
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Solution
The fourth proportional to 43,628,553.80, 65,442,830.70 and 14,865,129.80 is: 22,297,694.70
Step by Step Solution
- Step 1: Write the proportion equation
43,628,553.80 : 65,442,830.70 = 14,865,129.80 : x - Step 2: Convert to fraction form
43,628,553.80/65,442,830.70 = 14,865,129.80/x - Step 3: Cross multiply
43,628,553.80x = 65,442,830.70 × 14,865,129.80 - Step 4: Simplify right side
43,628,553.80x = 972,816,172,834,925 - Step 5: Solve for x
x = 972,816,172,834,925/43,628,553.80 - Step 6: Final answer
x = 22,297,694.70
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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.