Finding the Fourth Proportional to 8,188,832.70, 12,283,249.05 and 6,299,264.70
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Solution
The fourth proportional to 8,188,832.70, 12,283,249.05 and 6,299,264.70 is: 9,448,897.05
Step by Step Solution
- Step 1: Write the proportion equation
8,188,832.70 : 12,283,249.05 = 6,299,264.70 : x - Step 2: Convert to fraction form
8,188,832.70/12,283,249.05 = 6,299,264.70/x - Step 3: Cross multiply
8,188,832.70x = 12,283,249.05 × 6,299,264.70 - Step 4: Simplify right side
8,188,832.70x = 77,375,437,141,973.55 - Step 5: Solve for x
x = 77,375,437,141,973.55/8,188,832.70 - Step 6: Final answer
x = 9,448,897.05
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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.