Finding the Fourth Proportional to 16,885,909.96, 23,302,575.68 and 9,150,952.28
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Solution
The fourth proportional to 16,885,909.96, 23,302,575.68 and 9,150,952.28 is: 12,628,324.95
Step by Step Solution
- Step 1: Write the proportion equation
16,885,909.96 : 23,302,575.68 = 9,150,952.28 : x - Step 2: Convert to fraction form
16,885,909.96/23,302,575.68 = 9,150,952.28/x - Step 3: Cross multiply
16,885,909.96x = 23,302,575.68 × 9,150,952.28 - Step 4: Simplify right side
16,885,909.96x = 213,240,758,061,270.25 - Step 5: Solve for x
x = 213,240,758,061,270.25/16,885,909.96 - Step 6: Final answer
x = 12,628,324.95
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1.5x scale
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.