Finding the Fourth Proportional to 18,453,485.70, 27,680,228.55 and 14,866,258.95
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Solution
The fourth proportional to 18,453,485.70, 27,680,228.55 and 14,866,258.95 is: 22,299,388.43
Step by Step Solution
- Step 1: Write the proportion equation
18,453,485.70 : 27,680,228.55 = 14,866,258.95 : x - Step 2: Convert to fraction form
18,453,485.70/27,680,228.55 = 14,866,258.95/x - Step 3: Cross multiply
18,453,485.70x = 27,680,228.55 × 14,866,258.95 - Step 4: Simplify right side
18,453,485.70x = 411,501,445,419,483 - Step 5: Solve for x
x = 411,501,445,419,483/18,453,485.70 - Step 6: Final answer
x = 22,299,388.43
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1.5x scale
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.