Finding the Fourth Proportional to 43,188,623.42, 64,782,934.72 and 14,434,758.97
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Solution
The fourth proportional to 43,188,623.42, 64,782,934.72 and 14,434,758.97 is: 21,652,138.32
Step by Step Solution
- Step 1: Write the proportion equation
43,188,623.42 : 64,782,934.72 = 14,434,758.97 : x - Step 2: Convert to fraction form
43,188,623.42/64,782,934.72 = 14,434,758.97/x - Step 3: Cross multiply
43,188,623.42x = 64,782,934.72 × 14,434,758.97 - Step 4: Simplify right side
43,188,623.42x = 935,126,047,854,400.12 - Step 5: Solve for x
x = 935,126,047,854,400.12/43,188,623.42 - Step 6: Final answer
x = 21,652,138.32
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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.