Finding the Fourth Proportional to 27,915,679.35, 41,873,534.21 and 8,747,936.55
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Solution
The fourth proportional to 27,915,679.35, 41,873,534.21 and 8,747,936.55 is: 13,121,909.58
Step by Step Solution
- Step 1: Write the proportion equation
27,915,679.35 : 41,873,534.21 = 8,747,936.55 : x - Step 2: Convert to fraction form
27,915,679.35/41,873,534.21 = 8,747,936.55/x - Step 3: Cross multiply
27,915,679.35x = 41,873,534.21 × 8,747,936.55 - Step 4: Simplify right side
27,915,679.35x = 366,307,020,415,204.25 - Step 5: Solve for x
x = 366,307,020,415,204.25/27,915,679.35 - Step 6: Final answer
x = 13,121,909.58
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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.