Finding the Fourth Proportional to 29,970,660.26, 41,359,429.74 and 16,219,624.40
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Solution
The fourth proportional to 29,970,660.26, 41,359,429.74 and 16,219,624.40 is: 22,383,037.61
Step by Step Solution
- Step 1: Write the proportion equation
29,970,660.26 : 41,359,429.74 = 16,219,624.40 : x - Step 2: Convert to fraction form
29,970,660.26/41,359,429.74 = 16,219,624.40/x - Step 3: Cross multiply
29,970,660.26x = 41,359,429.74 × 16,219,624.40 - Step 4: Simplify right side
29,970,660.26x = 670,834,415,780,989.75 - Step 5: Solve for x
x = 670,834,415,780,989.75/29,970,660.26 - Step 6: Final answer
x = 22,383,037.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.