Finding the Fourth Proportional to 12,252,027.70, 18,378,041.55 and 8,850,805.30
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Solution
The fourth proportional to 12,252,027.70, 18,378,041.55 and 8,850,805.30 is: 13,276,207.95
Step by Step Solution
- Step 1: Write the proportion equation
12,252,027.70 : 18,378,041.55 = 8,850,805.30 : x - Step 2: Convert to fraction form
12,252,027.70/18,378,041.55 = 8,850,805.30/x - Step 3: Cross multiply
12,252,027.70x = 18,378,041.55 × 8,850,805.30 - Step 4: Simplify right side
12,252,027.70x = 162,660,467,554,360.25 - Step 5: Solve for x
x = 162,660,467,554,360.25/12,252,027.70 - Step 6: Final answer
x = 13,276,207.95
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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.