Finding the Fourth Proportional to 39,995,676.39, 59,996,624.99 and 13,072,053.99
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Solution
The fourth proportional to 39,995,676.39, 59,996,624.99 and 13,072,053.99 is: 19,609,097.58
Step by Step Solution
- Step 1: Write the proportion equation
39,995,676.39 : 59,996,624.99 = 13,072,053.99 : x - Step 2: Convert to fraction form
39,995,676.39/59,996,624.99 = 13,072,053.99/x - Step 3: Cross multiply
39,995,676.39x = 59,996,624.99 × 13,072,053.99 - Step 4: Simplify right side
39,995,676.39x = 784,279,121,021,703 - Step 5: Solve for x
x = 784,279,121,021,703/39,995,676.39 - Step 6: Final answer
x = 19,609,097.58
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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.