Finding the Fourth Proportional to 43,455,865.70, 65,183,798.55 and 14,702,939.30
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Solution
The fourth proportional to 43,455,865.70, 65,183,798.55 and 14,702,939.30 is: 22,054,408.95
Step by Step Solution
- Step 1: Write the proportion equation
43,455,865.70 : 65,183,798.55 = 14,702,939.30 : x - Step 2: Convert to fraction form
43,455,865.70/65,183,798.55 = 14,702,939.30/x - Step 3: Cross multiply
43,455,865.70x = 65,183,798.55 × 14,702,939.30 - Step 4: Simplify right side
43,455,865.70x = 958,393,433,424,078 - Step 5: Solve for x
x = 958,393,433,424,078/43,455,865.70 - Step 6: Final answer
x = 22,054,408.95
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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.