Finding the Fourth Proportional to 7,409,648.97, 11,120,857.94 and 5,136,769.48
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Solution
The fourth proportional to 7,409,648.97, 11,120,857.94 and 5,136,769.48 is: 7,709,580.29
Step by Step Solution
- Step 1: Write the proportion equation
7,409,648.97 : 11,120,857.94 = 5,136,769.48 : x - Step 2: Convert to fraction form
7,409,648.97/11,120,857.94 = 5,136,769.48/x - Step 3: Cross multiply
7,409,648.97x = 11,120,857.94 × 5,136,769.48 - Step 4: Simplify right side
7,409,648.97x = 57,125,283,657,607.67 - Step 5: Solve for x
x = 57,125,283,657,607.67/7,409,648.97 - Step 6: Final answer
x = 7,709,580.29
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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.