Finding the Fourth Proportional to 12,101,625.80, 18,152,438.70 and 10,684,449.80
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Solution
The fourth proportional to 12,101,625.80, 18,152,438.70 and 10,684,449.80 is: 16,026,674.70
Step by Step Solution
- Step 1: Write the proportion equation
12,101,625.80 : 18,152,438.70 = 10,684,449.80 : x - Step 2: Convert to fraction form
12,101,625.80/18,152,438.70 = 10,684,449.80/x - Step 3: Cross multiply
12,101,625.80x = 18,152,438.70 × 10,684,449.80 - Step 4: Simplify right side
12,101,625.80x = 193,948,820,037,727.25 - Step 5: Solve for x
x = 193,948,820,037,727.25/12,101,625.80 - Step 6: Final answer
x = 16,026,674.70
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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.