Finding the Fourth Proportional to 18,164,886.35, 25,047,179.48 and 14,846,886.18
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Solution
The fourth proportional to 18,164,886.35, 25,047,179.48 and 14,846,886.18 is: 20,472,058.88
Step by Step Solution
- Step 1: Write the proportion equation
18,164,886.35 : 25,047,179.48 = 14,846,886.18 : x - Step 2: Convert to fraction form
18,164,886.35/25,047,179.48 = 14,846,886.18/x - Step 3: Cross multiply
18,164,886.35x = 25,047,179.48 × 14,846,886.18 - Step 4: Simplify right side
18,164,886.35x = 371,872,622,795,357.19 - Step 5: Solve for x
x = 371,872,622,795,357.19/18,164,886.35 - Step 6: Final answer
x = 20,472,058.88
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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.