Finding the Fourth Proportional to 11,294,951.97, 15,586,437.18 and 6,400,232.74
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Solution
The fourth proportional to 11,294,951.97, 15,586,437.18 and 6,400,232.74 is: 8,831,983.16
Step by Step Solution
- Step 1: Write the proportion equation
11,294,951.97 : 15,586,437.18 = 6,400,232.74 : x - Step 2: Convert to fraction form
11,294,951.97/15,586,437.18 = 6,400,232.74/x - Step 3: Cross multiply
11,294,951.97x = 15,586,437.18 × 6,400,232.74 - Step 4: Simplify right side
11,294,951.97x = 99,756,825,539,389.28 - Step 5: Solve for x
x = 99,756,825,539,389.28/11,294,951.97 - Step 6: Final answer
x = 8,831,983.16
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1.5x scale
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.