Finding the Fourth Proportional to 11,485,556.12, 15,850,068.93 and 6,258,565.12
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Solution
The fourth proportional to 11,485,556.12, 15,850,068.93 and 6,258,565.12 is: 8,636,820.68
Step by Step Solution
- Step 1: Write the proportion equation
11,485,556.12 : 15,850,068.93 = 6,258,565.12 : x - Step 2: Convert to fraction form
11,485,556.12/15,850,068.93 = 6,258,565.12/x - Step 3: Cross multiply
11,485,556.12x = 15,850,068.93 × 6,258,565.12 - Step 4: Simplify right side
11,485,556.12x = 99,198,688,585,453.89 - Step 5: Solve for x
x = 99,198,688,585,453.89/11,485,556.12 - Step 6: Final answer
x = 8,636,820.68
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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.