Finding the Fourth Proportional to 11,877,760.69, 16,391,353.49 and 6,445,252.69
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Solution
The fourth proportional to 11,877,760.69, 16,391,353.49 and 6,445,252.69 is: 8,894,472.44
Step by Step Solution
- Step 1: Write the proportion equation
11,877,760.69 : 16,391,353.49 = 6,445,252.69 : x - Step 2: Convert to fraction form
11,877,760.69/16,391,353.49 = 6,445,252.69/x - Step 3: Cross multiply
11,877,760.69x = 16,391,353.49 × 6,445,252.69 - Step 4: Simplify right side
11,877,760.69x = 105,646,415,125,128.44 - Step 5: Solve for x
x = 105,646,415,125,128.44/11,877,760.69 - Step 6: Final answer
x = 8,894,472.44
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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.