Finding the Fourth Proportional to 11,495,966.40, 17,237,728.80 and 4,765,060.80
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Solution
The fourth proportional to 11,495,966.40, 17,237,728.80 and 4,765,060.80 is: 7,145,012.69
Step by Step Solution
- Step 1: Write the proportion equation
11,495,966.40 : 17,237,728.80 = 4,765,060.80 : x - Step 2: Convert to fraction form
11,495,966.40/17,237,728.80 = 4,765,060.80/x - Step 3: Cross multiply
11,495,966.40x = 17,237,728.80 × 4,765,060.80 - Step 4: Simplify right side
11,495,966.40x = 82,138,825,785,911.05 - Step 5: Solve for x
x = 82,138,825,785,911.05/11,495,966.40 - Step 6: Final answer
x = 7,145,012.69
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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.