Finding the Fourth Proportional to 10,670,427.28, 14,726,591.40 and 6,085,697.68
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Solution
The fourth proportional to 10,670,427.28, 14,726,591.40 and 6,085,697.68 is: 8,399,062.26
Step by Step Solution
- Step 1: Write the proportion equation
10,670,427.28 : 14,726,591.40 = 6,085,697.68 : x - Step 2: Convert to fraction form
10,670,427.28/14,726,591.40 = 6,085,697.68/x - Step 3: Cross multiply
10,670,427.28x = 14,726,591.40 × 6,085,697.68 - Step 4: Simplify right side
10,670,427.28x = 89,621,583,117,287.95 - Step 5: Solve for x
x = 89,621,583,117,287.95/10,670,427.28 - Step 6: Final answer
x = 8,399,062.26
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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.