Finding the Fourth Proportional to 13,066,472.70, 19,599,709.05 and 7,397,768.70
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Solution
The fourth proportional to 13,066,472.70, 19,599,709.05 and 7,397,768.70 is: 11,096,653.05
Step by Step Solution
- Step 1: Write the proportion equation
13,066,472.70 : 19,599,709.05 = 7,397,768.70 : x - Step 2: Convert to fraction form
13,066,472.70/19,599,709.05 = 7,397,768.70/x - Step 3: Cross multiply
13,066,472.70x = 19,599,709.05 × 7,397,768.70 - Step 4: Simplify right side
13,066,472.70x = 144,994,114,139,196.75 - Step 5: Solve for x
x = 144,994,114,139,196.75/13,066,472.70 - Step 6: Final answer
x = 11,096,653.05
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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.