Finding the Fourth Proportional to 11,486,010.56, 15,850,800.84 and 6,329,556.63
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Solution
The fourth proportional to 11,486,010.56, 15,850,800.84 and 6,329,556.63 is: 8,734,846.71
Step by Step Solution
- Step 1: Write the proportion equation
11,486,010.56 : 15,850,800.84 = 6,329,556.63 : x - Step 2: Convert to fraction form
11,486,010.56/15,850,800.84 = 6,329,556.63/x - Step 3: Cross multiply
11,486,010.56x = 15,850,800.84 × 6,329,556.63 - Step 4: Simplify right side
11,486,010.56x = 100,328,541,547,631.56 - Step 5: Solve for x
x = 100,328,541,547,631.56/11,486,010.56 - Step 6: Final answer
x = 8,734,846.71
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1.5x scale
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.