Finding the Fourth Proportional to 7,842,866.24, 10,822,939.26 and 4,358,115.02
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Solution
The fourth proportional to 7,842,866.24, 10,822,939.26 and 4,358,115.02 is: 6,014,078.62
Step by Step Solution
- Step 1: Write the proportion equation
7,842,866.24 : 10,822,939.26 = 4,358,115.02 : x - Step 2: Convert to fraction form
7,842,866.24/10,822,939.26 = 4,358,115.02/x - Step 3: Cross multiply
7,842,866.24x = 10,822,939.26 × 4,358,115.02 - Step 4: Simplify right side
7,842,866.24x = 47,167,614,149,553.68 - Step 5: Solve for x
x = 47,167,614,149,553.68/7,842,866.24 - Step 6: Final answer
x = 6,014,078.62
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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.