Finding the Fourth Proportional to 18,329,378.78, 27,497,608.68 and 6,968,944.10
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Solution
The fourth proportional to 18,329,378.78, 27,497,608.68 and 6,968,944.10 is: 10,454,762.27
Step by Step Solution
- Step 1: Write the proportion equation
18,329,378.78 : 27,497,608.68 = 6,968,944.10 : x - Step 2: Convert to fraction form
18,329,378.78/27,497,608.68 = 6,968,944.10/x - Step 3: Cross multiply
18,329,378.78x = 27,497,608.68 × 6,968,944.10 - Step 4: Simplify right side
18,329,378.78x = 191,629,297,774,594.78 - Step 5: Solve for x
x = 191,629,297,774,594.78/18,329,378.78 - Step 6: Final answer
x = 10,454,762.27
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1.5x scale
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.