Finding the Fourth Proportional to 13,809,350.40, 20,715,580.80 and 4,224,652.80
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Solution
The fourth proportional to 13,809,350.40, 20,715,580.80 and 4,224,652.80 is: 6,337,454.98
Step by Step Solution
- Step 1: Write the proportion equation
13,809,350.40 : 20,715,580.80 = 4,224,652.80 : x - Step 2: Convert to fraction form
13,809,350.40/20,715,580.80 = 4,224,652.80/x - Step 3: Cross multiply
13,809,350.40x = 20,715,580.80 × 4,224,652.80 - Step 4: Simplify right side
13,809,350.40x = 87,516,136,430,346.23 - Step 5: Solve for x
x = 87,516,136,430,346.23/13,809,350.40 - Step 6: Final answer
x = 6,337,454.98
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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.