Finding the Fourth Proportional to 9,659,347.80, 14,489,021.70 and 4,620,499.80
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Solution
The fourth proportional to 9,659,347.80, 14,489,021.70 and 4,620,499.80 is: 6,930,749.70
Step by Step Solution
- Step 1: Write the proportion equation
9,659,347.80 : 14,489,021.70 = 4,620,499.80 : x - Step 2: Convert to fraction form
9,659,347.80/14,489,021.70 = 4,620,499.80/x - Step 3: Cross multiply
9,659,347.80x = 14,489,021.70 × 4,620,499.80 - Step 4: Simplify right side
9,659,347.80x = 66,946,521,867,045.66 - Step 5: Solve for x
x = 66,946,521,867,045.66/9,659,347.80 - Step 6: Final answer
x = 6,930,749.70
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1.5x scale
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.