Finding the Fourth Proportional to 15,037,027.98, 20,751,113.97 and 8,161,511.46
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Solution
The fourth proportional to 15,037,027.98, 20,751,113.97 and 8,161,511.46 is: 11,262,894.15
Step by Step Solution
- Step 1: Write the proportion equation
15,037,027.98 : 20,751,113.97 = 8,161,511.46 : x - Step 2: Convert to fraction form
15,037,027.98/20,751,113.97 = 8,161,511.46/x - Step 3: Cross multiply
15,037,027.98x = 20,751,113.97 × 8,161,511.46 - Step 4: Simplify right side
15,037,027.98x = 169,360,454,473,921.09 - Step 5: Solve for x
x = 169,360,454,473,921.09/15,037,027.98 - Step 6: Final answer
x = 11,262,894.15
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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.