Finding the Fourth Proportional to 8,518,364.80, 12,773,860.80 and 3,467,996.80
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Solution
The fourth proportional to 8,518,364.80, 12,773,860.80 and 3,467,996.80 is: 5,200,494.39
Step by Step Solution
- Step 1: Write the proportion equation
8,518,364.80 : 12,773,860.80 = 3,467,996.80 : x - Step 2: Convert to fraction form
8,518,364.80/12,773,860.80 = 3,467,996.80/x - Step 3: Cross multiply
8,518,364.80x = 12,773,860.80 × 3,467,996.80 - Step 4: Simplify right side
8,518,364.80x = 44,299,708,378,045.44 - Step 5: Solve for x
x = 44,299,708,378,045.44/8,518,364.80 - Step 6: Final answer
x = 5,200,494.39
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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.