Finding the Fourth Proportional to 43,455,817.20, 65,183,725.80 and 14,702,890.80
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Solution
The fourth proportional to 43,455,817.20, 65,183,725.80 and 14,702,890.80 is: 22,054,336.20
Step by Step Solution
- Step 1: Write the proportion equation
43,455,817.20 : 65,183,725.80 = 14,702,890.80 : x - Step 2: Convert to fraction form
43,455,817.20/65,183,725.80 = 14,702,890.80/x - Step 3: Cross multiply
43,455,817.20x = 65,183,725.80 × 14,702,890.80 - Step 4: Simplify right side
43,455,817.20x = 958,389,202,374,542.62 - Step 5: Solve for x
x = 958,389,202,374,542.62/43,455,817.20 - Step 6: Final answer
x = 22,054,336.20
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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.