Finding the Fourth Proportional to 16,430,849.60, 22,555,836.47 and 14,103,701.99
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Solution
The fourth proportional to 16,430,849.60, 22,555,836.47 and 14,103,701.99 is: 19,361,189.67
Step by Step Solution
- Step 1: Write the proportion equation
16,430,849.60 : 22,555,836.47 = 14,103,701.99 : x - Step 2: Convert to fraction form
16,430,849.60/22,555,836.47 = 14,103,701.99/x - Step 3: Cross multiply
16,430,849.60x = 22,555,836.47 × 14,103,701.99 - Step 4: Simplify right side
16,430,849.60x = 318,120,795,524,755.88 - Step 5: Solve for x
x = 318,120,795,524,755.88/16,430,849.60 - Step 6: Final answer
x = 19,361,189.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.