Finding the Fourth Proportional to 11,823,753.78, 16,316,772.99 and 6,391,245.78
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Solution
The fourth proportional to 11,823,753.78, 16,316,772.99 and 6,391,245.78 is: 8,819,915.27
Step by Step Solution
- Step 1: Write the proportion equation
11,823,753.78 : 16,316,772.99 = 6,391,245.78 : x - Step 2: Convert to fraction form
11,823,753.78/16,316,772.99 = 6,391,245.78/x - Step 3: Cross multiply
11,823,753.78x = 16,316,772.99 × 6,391,245.78 - Step 4: Simplify right side
11,823,753.78x = 104,284,506,515,555.48 - Step 5: Solve for x
x = 104,284,506,515,555.48/11,823,753.78 - Step 6: Final answer
x = 8,819,915.27
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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.