Finding the Fourth Proportional to 11,564,556.87, 15,958,850.54 and 6,407,873.31
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Solution
The fourth proportional to 11,564,556.87, 15,958,850.54 and 6,407,873.31 is: 8,842,733.32
Step by Step Solution
- Step 1: Write the proportion equation
11,564,556.87 : 15,958,850.54 = 6,407,873.31 : x - Step 2: Convert to fraction form
11,564,556.87/15,958,850.54 = 6,407,873.31/x - Step 3: Cross multiply
11,564,556.87x = 15,958,850.54 × 6,407,873.31 - Step 4: Simplify right side
11,564,556.87x = 102,262,292,401,505.72 - Step 5: Solve for x
x = 102,262,292,401,505.72/11,564,556.87 - Step 6: Final answer
x = 8,842,733.32
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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.