Finding the Fourth Proportional to 14,381,314.37, 21,493,170.84 and 10,498,947.21
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Solution
The fourth proportional to 14,381,314.37, 21,493,170.84 and 10,498,947.21 is: 15,690,893.07
Step by Step Solution
- Step 1: Write the proportion equation
14,381,314.37 : 21,493,170.84 = 10,498,947.21 : x - Step 2: Convert to fraction form
14,381,314.37/21,493,170.84 = 10,498,947.21/x - Step 3: Cross multiply
14,381,314.37x = 21,493,170.84 × 10,498,947.21 - Step 4: Simplify right side
14,381,314.37x = 225,655,665,930,948.31 - Step 5: Solve for x
x = 225,655,665,930,948.31/14,381,314.37 - Step 6: Final answer
x = 15,690,893.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.