Finding the Fourth Proportional to 11,369,633.22, 15,690,299.13 and 6,213,212.10
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Solution
The fourth proportional to 11,369,633.22, 15,690,299.13 and 6,213,212.10 is: 8,574,344.88
Step by Step Solution
- Step 1: Write the proportion equation
11,369,633.22 : 15,690,299.13 = 6,213,212.10 : x - Step 2: Convert to fraction form
11,369,633.22/15,690,299.13 = 6,213,212.10/x - Step 3: Cross multiply
11,369,633.22x = 15,690,299.13 × 6,213,212.10 - Step 4: Simplify right side
11,369,633.22x = 97,487,156,407,135.47 - Step 5: Solve for x
x = 97,487,156,407,135.47/11,369,633.22 - Step 6: Final answer
x = 8,574,344.88
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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.