Finding the Fourth Proportional to 15,037,025.36, 20,751,110.35 and 8,161,508.84
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Solution
The fourth proportional to 15,037,025.36, 20,751,110.35 and 8,161,508.84 is: 11,262,890.53
Step by Step Solution
- Step 1: Write the proportion equation
15,037,025.36 : 20,751,110.35 = 8,161,508.84 : x - Step 2: Convert to fraction form
15,037,025.36/20,751,110.35 = 8,161,508.84/x - Step 3: Cross multiply
15,037,025.36x = 20,751,110.35 × 8,161,508.84 - Step 4: Simplify right side
15,037,025.36x = 169,360,370,437,181.16 - Step 5: Solve for x
x = 169,360,370,437,181.16/15,037,025.36 - Step 6: Final answer
x = 11,262,890.53
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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.