Finding the Fourth Proportional to 13,474,369.80, 20,214,507.15 and 4,374,918.90
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Solution
The fourth proportional to 13,474,369.80, 20,214,507.15 and 4,374,918.90 is: 6,563,336.96
Step by Step Solution
- Step 1: Write the proportion equation
13,474,369.80 : 20,214,507.15 = 4,374,918.90 : x - Step 2: Convert to fraction form
13,474,369.80/20,214,507.15 = 4,374,918.90/x - Step 3: Cross multiply
13,474,369.80x = 20,214,507.15 × 4,374,918.90 - Step 4: Simplify right side
13,474,369.80x = 88,436,829,384,720.14 - Step 5: Solve for x
x = 88,436,829,384,720.14/13,474,369.80 - Step 6: Final answer
x = 6,563,336.96
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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.