Finding the Fourth Proportional to 11,303,687.28, 15,599,497.68 and 6,475,724.40
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Solution
The fourth proportional to 11,303,687.28, 15,599,497.68 and 6,475,724.40 is: 8,936,734.12
Step by Step Solution
- Step 1: Write the proportion equation
11,303,687.28 : 15,599,497.68 = 6,475,724.40 : x - Step 2: Convert to fraction form
11,303,687.28/15,599,497.68 = 6,475,724.40/x - Step 3: Cross multiply
11,303,687.28x = 15,599,497.68 × 6,475,724.40 - Step 4: Simplify right side
11,303,687.28x = 101,018,047,754,119.39 - Step 5: Solve for x
x = 101,018,047,754,119.39/11,303,687.28 - Step 6: Final answer
x = 8,936,734.12
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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.