Finding the Fourth Proportional to 11,275,122.92, 15,559,669.64 and 6,118,484.47
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Solution
The fourth proportional to 11,275,122.92, 15,559,669.64 and 6,118,484.47 is: 8,443,508.56
Step by Step Solution
- Step 1: Write the proportion equation
11,275,122.92 : 15,559,669.64 = 6,118,484.47 : x - Step 2: Convert to fraction form
11,275,122.92/15,559,669.64 = 6,118,484.47/x - Step 3: Cross multiply
11,275,122.92x = 15,559,669.64 × 6,118,484.47 - Step 4: Simplify right side
11,275,122.92x = 95,201,596,942,279.72 - Step 5: Solve for x
x = 95,201,596,942,279.72/11,275,122.92 - Step 6: Final answer
x = 8,443,508.56
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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.