Finding the Fourth Proportional to 43,148,624.30, 64,722,936.45 and 11,235,920.30
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Solution
The fourth proportional to 43,148,624.30, 64,722,936.45 and 11,235,920.30 is: 16,853,880.45
Step by Step Solution
- Step 1: Write the proportion equation
43,148,624.30 : 64,722,936.45 = 11,235,920.30 : x - Step 2: Convert to fraction form
43,148,624.30/64,722,936.45 = 11,235,920.30/x - Step 3: Cross multiply
43,148,624.30x = 64,722,936.45 × 11,235,920.30 - Step 4: Simplify right side
43,148,624.30x = 727,221,755,534,165 - Step 5: Solve for x
x = 727,221,755,534,165/43,148,624.30 - Step 6: Final answer
x = 16,853,880.45
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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.