Finding the Fourth Proportional to 11,243,060.16, 15,515,428.26 and 6,086,421.78
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Solution
The fourth proportional to 11,243,060.16, 15,515,428.26 and 6,086,421.78 is: 8,399,264.89
Step by Step Solution
- Step 1: Write the proportion equation
11,243,060.16 : 15,515,428.26 = 6,086,421.78 : x - Step 2: Convert to fraction form
11,243,060.16/15,515,428.26 = 6,086,421.78/x - Step 3: Cross multiply
11,243,060.16x = 15,515,428.26 × 6,086,421.78 - Step 4: Simplify right side
11,243,060.16x = 94,433,440,487,691.50 - Step 5: Solve for x
x = 94,433,440,487,691.50/11,243,060.16 - Step 6: Final answer
x = 8,399,264.89
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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.