Finding the Fourth Proportional to 11,243,040.66, 15,515,401.31 and 6,086,402.21
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Solution
The fourth proportional to 11,243,040.66, 15,515,401.31 and 6,086,402.21 is: 8,399,237.85
Step by Step Solution
- Step 1: Write the proportion equation
11,243,040.66 : 15,515,401.31 = 6,086,402.21 : x - Step 2: Convert to fraction form
11,243,040.66/15,515,401.31 = 6,086,402.21/x - Step 3: Cross multiply
11,243,040.66x = 15,515,401.31 × 6,086,402.21 - Step 4: Simplify right side
11,243,040.66x = 94,432,972,714,211.88 - Step 5: Solve for x
x = 94,432,972,714,211.88/11,243,040.66 - Step 6: Final answer
x = 8,399,237.85
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1.5x scale
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.