Finding the Fourth Proportional to 11,283,471.66, 15,571,637.36 and 6,321,955.80
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Solution
The fourth proportional to 11,283,471.66, 15,571,637.36 and 6,321,955.80 is: 8,724,549.15
Step by Step Solution
- Step 1: Write the proportion equation
11,283,471.66 : 15,571,637.36 = 6,321,955.80 : x - Step 2: Convert to fraction form
11,283,471.66/15,571,637.36 = 6,321,955.80/x - Step 3: Cross multiply
11,283,471.66x = 15,571,637.36 × 6,321,955.80 - Step 4: Simplify right side
11,283,471.66x = 98,443,203,123,548.69 - Step 5: Solve for x
x = 98,443,203,123,548.69/11,283,471.66 - Step 6: Final answer
x = 8,724,549.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.