Finding the Fourth Proportional to 20,590,190.16, 30,885,523.04 and 6,213,382.48
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Solution
The fourth proportional to 20,590,190.16, 30,885,523.04 and 6,213,382.48 is: 9,320,145.48
Step by Step Solution
- Step 1: Write the proportion equation
20,590,190.16 : 30,885,523.04 = 6,213,382.48 : x - Step 2: Convert to fraction form
20,590,190.16/30,885,523.04 = 6,213,382.48/x - Step 3: Cross multiply
20,590,190.16x = 30,885,523.04 × 6,213,382.48 - Step 4: Simplify right side
20,590,190.16x = 191,903,567,742,372.34 - Step 5: Solve for x
x = 191,903,567,742,372.34/20,590,190.16 - Step 6: Final answer
x = 9,320,145.48
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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.