Finding the Fourth Proportional to 7,258,665.07, 10,888,023.12 and 2,141,157.97
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Solution
The fourth proportional to 7,258,665.07, 10,888,023.12 and 2,141,157.97 is: 3,211,744.48
Step by Step Solution
- Step 1: Write the proportion equation
7,258,665.07 : 10,888,023.12 = 2,141,157.97 : x - Step 2: Convert to fraction form
7,258,665.07/10,888,023.12 = 2,141,157.97/x - Step 3: Cross multiply
7,258,665.07x = 10,888,023.12 × 2,141,157.97 - Step 4: Simplify right side
7,258,665.07x = 23,312,977,480,932.27 - Step 5: Solve for x
x = 23,312,977,480,932.27/7,258,665.07 - Step 6: Final answer
x = 3,211,744.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.