Finding the Fourth Proportional to 11,243,031.62, 15,515,380.36 and 6,086,389.37
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Solution
The fourth proportional to 11,243,031.62, 15,515,380.36 and 6,086,389.37 is: 8,399,215.56
Step by Step Solution
- Step 1: Write the proportion equation
11,243,031.62 : 15,515,380.36 = 6,086,389.37 : x - Step 2: Convert to fraction form
11,243,031.62/15,515,380.36 = 6,086,389.37/x - Step 3: Cross multiply
11,243,031.62x = 15,515,380.36 × 6,086,389.37 - Step 4: Simplify right side
11,243,031.62x = 94,432,646,094,610.77 - Step 5: Solve for x
x = 94,432,646,094,610.77/11,243,031.62 - Step 6: Final answer
x = 8,399,215.56
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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.