Finding the Fourth Proportional to 7,256,009.70, 10,013,273.46 and 3,993,036.08
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Solution
The fourth proportional to 7,256,009.70, 10,013,273.46 and 3,993,036.08 is: 5,510,378.82
Step by Step Solution
- Step 1: Write the proportion equation
7,256,009.70 : 10,013,273.46 = 3,993,036.08 : x - Step 2: Convert to fraction form
7,256,009.70/10,013,273.46 = 3,993,036.08/x - Step 3: Cross multiply
7,256,009.70x = 10,013,273.46 × 3,993,036.08 - Step 4: Simplify right side
7,256,009.70x = 39,983,362,154,620.08 - Step 5: Solve for x
x = 39,983,362,154,620.08/7,256,009.70 - Step 6: Final answer
x = 5,510,378.82
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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.