Finding the Fourth Proportional to 7,125,620.76, 9,833,482.68 and 3,862,543.92
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Solution
The fourth proportional to 7,125,620.76, 9,833,482.68 and 3,862,543.92 is: 5,330,378.93
Step by Step Solution
- Step 1: Write the proportion equation
7,125,620.76 : 9,833,482.68 = 3,862,543.92 : x - Step 2: Convert to fraction form
7,125,620.76/9,833,482.68 = 3,862,543.92/x - Step 3: Cross multiply
7,125,620.76x = 9,833,482.68 × 3,862,543.92 - Step 4: Simplify right side
7,125,620.76x = 37,982,258,738,059.30 - Step 5: Solve for x
x = 37,982,258,738,059.30/7,125,620.76 - Step 6: Final answer
x = 5,330,378.93
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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.