Finding the Fourth Proportional to 10,355,984.50, 15,534,197.88 and 2,679,794.32
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Solution
The fourth proportional to 10,355,984.50, 15,534,197.88 and 2,679,794.32 is: 4,019,748.70
Step by Step Solution
- Step 1: Write the proportion equation
10,355,984.50 : 15,534,197.88 = 2,679,794.32 : x - Step 2: Convert to fraction form
10,355,984.50/15,534,197.88 = 2,679,794.32/x - Step 3: Cross multiply
10,355,984.50x = 15,534,197.88 × 2,679,794.32 - Step 4: Simplify right side
10,355,984.50x = 41,628,455,244,580.04 - Step 5: Solve for x
x = 41,628,455,244,580.04/10,355,984.50 - Step 6: Final answer
x = 4,019,748.70
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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.