Finding the Fourth Proportional to 10,199,369.70, 15,299,054.55 and 3,467,783.70
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Solution
The fourth proportional to 10,199,369.70, 15,299,054.55 and 3,467,783.70 is: 5,201,675.55
Step by Step Solution
- Step 1: Write the proportion equation
10,199,369.70 : 15,299,054.55 = 3,467,783.70 : x - Step 2: Convert to fraction form
10,199,369.70/15,299,054.55 = 3,467,783.70/x - Step 3: Cross multiply
10,199,369.70x = 15,299,054.55 × 3,467,783.70 - Step 4: Simplify right side
10,199,369.70x = 53,053,811,993,900.84 - Step 5: Solve for x
x = 53,053,811,993,900.84/10,199,369.70 - Step 6: Final answer
x = 5,201,675.55
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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.