Finding the Fourth Proportional to 13,703,996.68, 20,533,569.82 and 8,296,256.36
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Solution
The fourth proportional to 13,703,996.68, 20,533,569.82 and 8,296,256.36 is: 12,430,808.56
Step by Step Solution
- Step 1: Write the proportion equation
13,703,996.68 : 20,533,569.82 = 8,296,256.36 : x - Step 2: Convert to fraction form
13,703,996.68/20,533,569.82 = 8,296,256.36/x - Step 3: Cross multiply
13,703,996.68x = 20,533,569.82 × 8,296,256.36 - Step 4: Simplify right side
13,703,996.68x = 170,351,759,212,679.06 - Step 5: Solve for x
x = 170,351,759,212,679.06/13,703,996.68 - Step 6: Final answer
x = 12,430,808.56
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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.