Finding the Fourth Proportional to 13,808,343.57, 20,706,512.06 and 3,958,237.62
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Solution
The fourth proportional to 13,808,343.57, 20,706,512.06 and 3,958,237.62 is: 5,935,635.55
Step by Step Solution
- Step 1: Write the proportion equation
13,808,343.57 : 20,706,512.06 = 3,958,237.62 : x - Step 2: Convert to fraction form
13,808,343.57/20,706,512.06 = 3,958,237.62/x - Step 3: Cross multiply
13,808,343.57x = 20,706,512.06 × 3,958,237.62 - Step 4: Simplify right side
13,808,343.57x = 81,961,295,024,771.30 - Step 5: Solve for x
x = 81,961,295,024,771.30/13,808,343.57 - Step 6: Final answer
x = 5,935,635.55
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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.