Finding the Fourth Proportional to 14,114,190.96, 19,477,919.34 and 7,919,695.98
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Solution
The fourth proportional to 14,114,190.96, 19,477,919.34 and 7,919,695.98 is: 10,929,368.88
Step by Step Solution
- Step 1: Write the proportion equation
14,114,190.96 : 19,477,919.34 = 7,919,695.98 : x - Step 2: Convert to fraction form
14,114,190.96/19,477,919.34 = 7,919,695.98/x - Step 3: Cross multiply
14,114,190.96x = 19,477,919.34 × 7,919,695.98 - Step 4: Simplify right side
14,114,190.96x = 154,259,199,495,762.25 - Step 5: Solve for x
x = 154,259,199,495,762.25/14,114,190.96 - Step 6: Final answer
x = 10,929,368.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.