Finding the Fourth Proportional to 27,915,681.85, 41,873,537.97 and 8,747,939.05
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Solution
The fourth proportional to 27,915,681.85, 41,873,537.97 and 8,747,939.05 is: 13,121,913.34
Step by Step Solution
- Step 1: Write the proportion equation
27,915,681.85 : 41,873,537.97 = 8,747,939.05 : x - Step 2: Convert to fraction form
27,915,681.85/41,873,537.97 = 8,747,939.05/x - Step 3: Cross multiply
27,915,681.85x = 41,873,537.97 × 8,747,939.05 - Step 4: Simplify right side
27,915,681.85x = 366,307,157,969,420.75 - Step 5: Solve for x
x = 366,307,157,969,420.75/27,915,681.85 - Step 6: Final answer
x = 13,121,913.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.