Finding the Fourth Proportional to 12,124,245.80, 18,189,264.26 and 4,037,291.53
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Solution
The fourth proportional to 12,124,245.80, 18,189,264.26 and 4,037,291.53 is: 6,056,901.49
Step by Step Solution
- Step 1: Write the proportion equation
12,124,245.80 : 18,189,264.26 = 4,037,291.53 : x - Step 2: Convert to fraction form
12,124,245.80/18,189,264.26 = 4,037,291.53/x - Step 3: Cross multiply
12,124,245.80x = 18,189,264.26 × 4,037,291.53 - Step 4: Simplify right side
12,124,245.80x = 73,435,362,498,449.78 - Step 5: Solve for x
x = 73,435,362,498,449.78/12,124,245.80 - Step 6: Final answer
x = 6,056,901.49
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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.