Finding the Fourth Proportional to 27,660,391.18, 38,176,336.40 and 16,497,599.60
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Solution
The fourth proportional to 27,660,391.18, 38,176,336.40 and 16,497,599.60 is: 22,769,667.58
Step by Step Solution
- Step 1: Write the proportion equation
27,660,391.18 : 38,176,336.40 = 16,497,599.60 : x - Step 2: Convert to fraction form
27,660,391.18/38,176,336.40 = 16,497,599.60/x - Step 3: Cross multiply
27,660,391.18x = 38,176,336.40 × 16,497,599.60 - Step 4: Simplify right side
27,660,391.18x = 629,817,912,135,058.25 - Step 5: Solve for x
x = 629,817,912,135,058.25/27,660,391.18 - Step 6: Final answer
x = 22,769,667.58
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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.