Finding the Fourth Proportional to 18,169,023.60, 27,216,793.80 and 11,324,588.40
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Solution
The fourth proportional to 18,169,023.60, 27,216,793.80 and 11,324,588.40 is: 16,963,981.89
Step by Step Solution
- Step 1: Write the proportion equation
18,169,023.60 : 27,216,793.80 = 11,324,588.40 : x - Step 2: Convert to fraction form
18,169,023.60/27,216,793.80 = 11,324,588.40/x - Step 3: Cross multiply
18,169,023.60x = 27,216,793.80 × 11,324,588.40 - Step 4: Simplify right side
18,169,023.60x = 308,218,987,352,671.94 - Step 5: Solve for x
x = 308,218,987,352,671.94/18,169,023.60 - Step 6: Final answer
x = 16,963,981.89
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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.