Finding the Fourth Proportional to 10,644,815.76, 14,689,851.68 and 5,750,037.96
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Solution
The fourth proportional to 10,644,815.76, 14,689,851.68 and 5,750,037.96 is: 7,935,055.59
Step by Step Solution
- Step 1: Write the proportion equation
10,644,815.76 : 14,689,851.68 = 5,750,037.96 : x - Step 2: Convert to fraction form
10,644,815.76/14,689,851.68 = 5,750,037.96/x - Step 3: Cross multiply
10,644,815.76x = 14,689,851.68 × 5,750,037.96 - Step 4: Simplify right side
10,644,815.76x = 84,467,204,786,769.77 - Step 5: Solve for x
x = 84,467,204,786,769.77/10,644,815.76 - Step 6: Final answer
x = 7,935,055.59
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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.