Finding the Fourth Proportional to 29,313,910.68, 40,447,138.96 and 16,923,789.40
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Solution
The fourth proportional to 29,313,910.68, 40,447,138.96 and 16,923,789.40 is: 23,351,332.04
Step by Step Solution
- Step 1: Write the proportion equation
29,313,910.68 : 40,447,138.96 = 16,923,789.40 : x - Step 2: Convert to fraction form
29,313,910.68/40,447,138.96 = 16,923,789.40/x - Step 3: Cross multiply
29,313,910.68x = 40,447,138.96 × 16,923,789.40 - Step 4: Simplify right side
29,313,910.68x = 684,518,861,591,575 - Step 5: Solve for x
x = 684,518,861,591,575/29,313,910.68 - Step 6: Final answer
x = 23,351,332.04
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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.