Finding the Fourth Proportional to 11,823,747.31, 16,316,764.05 and 6,391,239.31
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Solution
The fourth proportional to 11,823,747.31, 16,316,764.05 and 6,391,239.31 is: 8,819,906.34
Step by Step Solution
- Step 1: Write the proportion equation
11,823,747.31 : 16,316,764.05 = 6,391,239.31 : x - Step 2: Convert to fraction form
11,823,747.31/16,316,764.05 = 6,391,239.31/x - Step 3: Cross multiply
11,823,747.31x = 16,316,764.05 × 6,391,239.31 - Step 4: Simplify right side
11,823,747.31x = 104,284,343,808,354.80 - Step 5: Solve for x
x = 104,284,343,808,354.80/11,823,747.31 - Step 6: Final answer
x = 8,819,906.34
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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.