Finding the Fourth Proportional to 14,691,207.70, 22,036,811.55 and 8,719,239.70
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Solution
The fourth proportional to 14,691,207.70, 22,036,811.55 and 8,719,239.70 is: 13,078,859.55
Step by Step Solution
- Step 1: Write the proportion equation
14,691,207.70 : 22,036,811.55 = 8,719,239.70 : x - Step 2: Convert to fraction form
14,691,207.70/22,036,811.55 = 8,719,239.70/x - Step 3: Cross multiply
14,691,207.70x = 22,036,811.55 × 8,719,239.70 - Step 4: Simplify right side
14,691,207.70x = 192,144,242,128,178.53 - Step 5: Solve for x
x = 192,144,242,128,178.53/14,691,207.70 - Step 6: Final answer
x = 13,078,859.55
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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.