Finding the Fourth Proportional to 10,752,355.20, 16,128,532.80 and 6,771,043.20
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Solution
The fourth proportional to 10,752,355.20, 16,128,532.80 and 6,771,043.20 is: 10,156,564.80
Step by Step Solution
- Step 1: Write the proportion equation
10,752,355.20 : 16,128,532.80 = 6,771,043.20 : x - Step 2: Convert to fraction form
10,752,355.20/16,128,532.80 = 6,771,043.20/x - Step 3: Cross multiply
10,752,355.20x = 16,128,532.80 × 6,771,043.20 - Step 4: Simplify right side
10,752,355.20x = 109,206,992,341,416.97 - Step 5: Solve for x
x = 109,206,992,341,416.97/10,752,355.20 - Step 6: Final answer
x = 10,156,564.80
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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.