Finding the Fourth Proportional to 18,134,383.80, 27,201,575.70 and 4,671,211.80
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Solution
The fourth proportional to 18,134,383.80, 27,201,575.70 and 4,671,211.80 is: 7,006,817.70
Step by Step Solution
- Step 1: Write the proportion equation
18,134,383.80 : 27,201,575.70 = 4,671,211.80 : x - Step 2: Convert to fraction form
18,134,383.80/27,201,575.70 = 4,671,211.80/x - Step 3: Cross multiply
18,134,383.80x = 27,201,575.70 × 4,671,211.80 - Step 4: Simplify right side
18,134,383.80x = 127,064,321,388,433.25 - Step 5: Solve for x
x = 127,064,321,388,433.25/18,134,383.80 - Step 6: Final answer
x = 7,006,817.70
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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.